MWC 500m PVD Submarine/Naval Crew Watch |GTLS | Helium Valve | Sapphire Crystal

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Item: 274633771953

Condition:New with tags: A brand-new, unused, and unworn item (including handmade items) in the original … Read moreabout the conditionNew with tags: A brand-new, unused, and unworn item (including handmade items) in the original packaging (such as the original box or bag) and/or with the original tags attached. See all condition definitionsopens in a new window or tab
Water Resistance:500 m (50 ATM)
Strap Material:Fabric/Canvas, Nylon
MWC Naval Crew Range:MWC Naval Crew Range
Country/Region of Manufacture:Switzerland
Watch Shape:Round
Department:Adult
Style:Submariner
Serial Number:Yes
Manufacturer Strap Colour:Black
Caseback:Screwback Case
Water Resistance Rating:500 m (50 ATM)
With Original Packaging:Yes
Case Material:Stainless Steel
Manufacturer Face Colour:Black
Dial Style:24-Hour Dial
Display Type:Analogue
Movement:Quartz (Battery)
Manufacturer Case Colour:316L Stainless Steel
Original Packaging Description:With Box
Gender:Unisex
Crown:Screw Down
Type:Wristwatch
Features:Date Window, Dual Time Zone Hand, GTLS, 24-Hour Dial, Sapphire Crystal, Seconds Hand
Dial Colour:Black
Seller Warranty:No
With Papers:Yes
Case Finish:Satin-Finished
Vintage:No
Year Manufactured:2010-Now
Indices:Arabic Numerals
With Original Box/Packaging:Yes
Bezel Colour:Black
Reference Number:500M/SUBC/PVD
Display:Analogue
Lug Width:24 mm
Band/Strap:One-Piece Strap
MWC:MWC
Strap Colour:Black
Manufacturer Warranty:2 years
Case Size:43 mm
Customised:No
Case Colour:Silver
EAN:5060715110659

eBay ***** OFFICIAL MWC AUTHORISED RESELLER GENUINE ITEMS SUPPLIED WITH 2 YEAR MANUFACTURERS WARRANTY The Merchant Adventurers are renowned for customer satisfaction & after sales service Purchase with confidence, knowing we are your direct link from eBay shop to the manufacture ***** MWC Submarine Naval Crew Watch Dual Time Zone PVD Stainless Steel 500m Military Ronda Quartz GTLS Watch with Screw Down Crown & Case Back + Sapphire Crystal Supplied with Black N.A.T.O Strap Dual Time Zone Military Watch ***** Free UK Shipping ***** Remember – If you see a MWC watch you want which we do not have it listed please contact us and we will be able to supply it to you MWC Product Details: SKU Code: 500M/SUBC/PVD The MWC « Naval Crew » range of Military Divers models are one of MWC’s latest heavy-duty ranges, there are two models one in covert non-reflective PVD steel the other in standard stainless steel finish, both watches use red T100 tritium GTLS tubes which makes them superior to alternative watches because they can successfully preserve night vision on the bridge of a ship or in a submarine, submarines are normally ‘rigged for red’ to allow use of the periscope at night, dusk and dawn without interference from the bright light in the control room. When coming to periscope depth a submarine is at its most vulnerable to collision, and red light gives the operator additional time as his eyes do not need to adjust to night conditions. These watches were ordered by submarine crews specifically for this purpose. Both models were designed to be robust and the shatter and scratch resistant sapphire crystal makes them significantly more durable than many other divers watches. These watches are both flexible and multipurpose enabling them to be deployed in a wide variety of different applications, for example they are suitable not just for use on board vessels but for deep diving with mixed gases and have a 500m (1,650ft) water resistance rating, they also have a wide 24 mm strap and a non-scratch ceramic bezel specifically designed to be easy to grip in cold and icy conditions. These watches are unique because not only do they have a very high-water resistance rating, but they are also equipped with a high-quality Ronda GMT 515.24H movement with a hacking function to enable synchronization, the concept behind GMT or dual time zone watches is very clever, not because they are in any way particularly complex but because the technology behind them is so incredibly simple. On a conventional watch the hour hand is designed to travel around the dial over a 12-hour period, all that is needed to create a GMT watch is to add a second independently adjustable hour hand which travels around the dial in 24 hours instead of the usual 12. Using the watch could not be easier because the 24-hour hand circles the dial once a day instead of twice with a normal hour hand, its tip indicates the corresponding hour and because it is operating on the 24-hour timescale there can be no confusion between a.m. and p.m. All MWC 500 m (1,650ft) models are fitted with a helium escape valve, people often ask us how helium gets into a dive watch in the first place and the answer is amazingly simple, essentially a helium molecule is among the smallest of all molecules. What this means is because they are so small even though the seals are working fine to keep water out the helium molecules can still get through and enter the watch even though other gases and water cannot. The main users professionally of watches with helium escape valves are saturation divers who spend long periods of time at great depth with high pressure, the result is that the helium molecules can build up inside the watch creating pressure inside the case, this can inflict serious damage to the watch and even blow out the crystal or crown when it’s unscrewed, this is potentially extremely dangerous if for example you are just checking or resetting the time, it can also potentially write off the watch. What the helium escape valve does is automatically allow the helium molecules to escape from the watch during decompression when the watch returns to normal standard sea level pressure. The valve is only one way, so it lets the helium out but prevents anything external getting in. For anyone who does not know why the helium is an issue, it is important to understand why helium is employed for deep diving. The reason is that helium is one of very few gasses which does not have negative effects such as we see with nitrogen which causes nitrogen narcosis, consequently helium is used to replace nitrogen in most deep-sea mixed gas diving applications. In some situations, professional divers can operate at great depth for extended periods where they live in dry environments pressurised with an oxygen/helium mix. When the divers surface and decompress after days or even sometimes weeks this gas must be removed to prevent a problem as mentioned earlier such as the crystal or crown being blown out which can potentially injure or even blind someone. The reality is that most divers will not be living in a pressurised environment for days or weeks on end, this means they will have no need for a watch equipped with a helium valve, regardless of how deep they dive but with deep dive watches such as these 500 m models, it’s essential that the valve is there just in case it’s needed because the watch would not be fit for purpose without it. The back of the case bears various contract markings in addition to the unique serial number. Dimensions and Specification 500m / 1650ft Water Resistant Helium Escape Valve Movement: Ronda 515.24H with Hacking Function Battery Life Approx 45 months Luminosity: GTLS T100 Tritium on Hands & Dial 316L PVD Stainless Steel Case Screw down crown Width Inc. Crown 48mm (Exc. Crown 43mm) Thickness 16mm Crystal Diameter 31mm Weight 120g inc. Strap Crystal: Shatter & Scratch Resistant Sapphire with Anti-Reflective Coating Lug to Lug 50mm 1 x 24mm Military Webbing Black Strap Supplied in a box with 24 month warranty card Free UK tracked shipping International flat rate fee with ebay GSP or Royal Mail international tracked Please Note: We do not mail to B.F.P.O & P.O Box numbers as a signature is required for proof of receipt. If this is a problem may we suggest that you use a work or relatives address. Occasionally duty may need to be paid at your destination, International buyers need to check their countries custom and tax duties. It is buyer’s responsibility for any custom tax incurred. Order processing time can take 1 working day due to clearance of payment, preparing & packing and posting before 17.00hrs so orders placed after 12.00hrs may not be shipped until the next day. IMPORTANT INFORMATION The Merchant Adventurers are an Authorised UK MWC watch dealer and have full authority to sell the item(s) in this listing. MWC items offered for sale in this listing are 100% genuine and supplied with a 24 month manufacturers warranty Please go to the MWC web site for details of their warranty cover and exclusions i.e. watch glass, strap, batteries etc.. Be aware that there are some sellers advertising MWC items marked ‘As new but without tags’ or ‘With slight marks’ etc. and saying they come with a manufacturers warranty- This is not possible Many manufacturers of military watches suffer problems with illegal fakes. If you are in doubt about any MWC offered for sale, please contact us. MWC’s Head office is in Zurich Switzerland. MWC are a leading supplier, not just to the military but also to police forces, anti terrorist units, airlines, mining companies and a diverse variety of government agencies and departments. They are one of the largest specialist manufacturers of high performance military watches and produce a wide range of models either to customers specific design requirements or by tendering for contracts where quality, reliability and durability are of primary importance. Water resistant does not mean Water Proof – There are industry standards for 30m, 50m 100m etc. *Water Resistant 30m 3bar 50m 5 bar 100m 10 bar 150m 15 bar 300m 30 bar 1000m 100 bar Accidental Splashes yes yes yes yes yes yes Swimming no yes yes yes yes yes Swimming, Snorkelling, Water Sports no no yes yes yes yes Scuba Diving no no no no yes yes Professional Deep Sea Diving * no no no no no yes* *only watches marked « Divers » on the dial should be used for diving, as they fully comply with the international standards for divers watches To be assured of excellent customer before & after sales service with a fully backed warranty always purchase from an MWC Factory Authorised Reseller To view all items for sale in our shop go to https://www.ebay.co.uk/str/bridgebythemerchantadventurers

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