Factory Original 42mm Cooper Submaster SAS SBS Military 300M Diver Men’s Watch with Super Luminous – NATO STRAP SM8016ST

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The kind of watch worn by hairy chested Secret Agents, former SBS types with easy smiles and big….well, we won’t go any further. Needless to say the Cooper Submaster exudes the style of the indestructible divers watches worn by the British special forces in the 1970s and 80s. A functional form that doesn’t date, and always has a classic style for divers watch aficionados.

The Submaster is a British designed quartz date military divers watch. Traditional stainless steel finish complete with high quality 20mm NATO strap. The black dial is enhanced with Submaster in white and retro military Gladiator Hands. Fully waterproof to 300m/ 1000ft pressure tested. The matte finish on the case gives the watch anti-reflective qualities when on daylight missions.The special Gladiator Hands are designed for much better visibility under low light conditions, either underwater or on night operations. The bezel insert is equipped with full 60 individual minute markers, this was originally designed so that military frogmen would be able to synchronize perfectly on dangerous covert missions. Case: 42 exc crown and 45mm inc crown Crystal diameter: 30 mm Lug to lug is 47 mm Case Thickness: 12mm Case Material: 316L Stainless Steel Caseback: 316L Stainless Steel Crown: 316L Stainless Steel Water Resistance: 30 atm (300m) Glass: Hardened Mineral Glass Miyota 2115 Quartz Watch Movement

Cooper Submaster Divers Watch 300M SM8016A – NATO STRAP (sandblast)

Dimensions and Specification:

• Movement: Miyota 2115 Quartz

• Water Resistance: 1000ft / 300m

• Screwdown crown

• Helium Escape Valve Width: Inc Crown 45mm (Exc Crown 42mm)

• Bezel Type: Full 60 individual minute markers

• Thickness: 12mm

• Crystal Diameter: 30mm

• Crystal Type: Hardened Mineral Glass

• Lug to Lug: 47mm

• Case: 316L PVD Stainless Steel

• Illumination: Luminova on markers and bezel

• Strap: 20mm NATO Webbing Strap

• 24 Month Warranty

A lot of people ask us what are the benefits of sapphire crystal over a standard mineral crystal? The answer is that synthetic sapphire is by far the best material for watch crystals because it is very strong and also shatter and scratch-resistant, these characteristics make it very appealing to military and security personnel, police officers and people who lead active outdoor lifestyles, these groups account for over 70% of our customers. To get things into perspective we find that when clients have accidents with watches resulting in a cracked crystal over 90%are usually watches with mineral glass crystals, even factoring in that we use hardened mineral crystals they still do not come close to sapphire for durability under adverse conditions. The reason that sapphire crystals are so strong is that after the sapphire glass is manufactured it is also heat-treated to remove its internal stresses—which can cause weakness—it is then made into the watch crystals and two layers of anti-reflective coating are applied, interestingly sapphire crystal is now used on the latest iPhone. Of course, sapphire crystal comes at a price hence you find that it’s normally only fitted to higher-end watches.