Manufacturers of High Quality Military Watches Since 1974

MWC 21 Jewel 300m Automatic Military Divers Watch with Sapphire Crystal and Ceramic Bezel on a NATO Webbing Strap

$428.00

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Product Details

SKU Code: SUB/SS/ST/A/MY

This watch is one of MWC's current military specification diver's watches, featuring a robust stainless steel case, an anti-reflective sapphire crystal, and a scratch-resistant ceramic bezel. The watch is powered by an automatic (self-winding) 21-jewel 21,600 bph Cal. 8215 movement with a 40-hour power reserve, and it can also be hand-wound if needed. This timepiece represents exceptional value for its high specifications.

Key Features:

  • Movement: 21-jewel 21,600 bph Cal. 8215 with a 40-hour reserve
  • Crystal: Anti-reflective sapphire crystal
  • Bezel: Scratch-resistant ceramic
  • Water Resistance: 300m / 1000ft
  • Straps: Supplied with 2 x 20mm NATO straps (one in black, one in grey)
  • Crown: Screwdown
  • Caseback: Screw caseback

Dimensions and Specifications:

  • Width Including Crown: 45mm
  • Width Excluding Crown: 40mm
  • Thickness: 15mm
  • Crystal Diameter: 31mm
  • Lug to Lug: 49mm
  • Weight: 89.5g
  • Water Resistance: 300m / 1000ft

Benefits of Sapphire Crystal:

Many customers ask about the benefits of sapphire crystal over standard mineral crystal. Synthetic sapphire is the best material for watch crystals due to its exceptional strength, shatter resistance, and scratch resistance. These characteristics make it highly appealing to military and security personnel, police officers, and active outdoor enthusiasts—groups that account for over 70% of our customer base.

In our experience, over 90% of incidents involving cracked watch crystals occur with mineral glass. Even hardened mineral crystals do not match the durability of sapphire. Sapphire crystals are strengthened through a heat treatment process that removes internal stresses, followed by the application of two layers of anti-reflective coating. Although sapphire crystals are more expensive, they offer superior longevity, resilience, and performance, justifying their use in higher-end watches.


This watch combines historical design and modern functionality, making it an exceptional choice for professionals and enthusiasts alike. Its robust features and user-friendly design ensure it meets the demands of today's discerning watch wearers.

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