Crystal: K1 hardened mineral glass with sapphire coating
specified in a procurement contract for police and military divers
Case: Stainless steel with black PVD finishWater Resistance: 30ATM / 300m / 1000ftMovement: Swiss Ronda 715Li quartz (10-year battery life)Crystal: Sapphire with anti-reflective coatingBezel: 120-click unidirectionalCrown: Screw-down locking crownLume: Luminova
therefore it will not deteriorate even during heavy usage although it can be destroyed if the buclke is badly damaged by a piece of metal being gouged out or if it's worn down by really heavy abrasion against rocks or something similar
hence the term sandblasted
MWC Classic 1960s Pattern Dual Time Zone Divers Watch with Luminova and a Hybrid Mechanical/Quartz Movement on a Matching Steel Bracelet Handwound & Automatic Models Crystal: K1 hardened mineral glassSKU Code: SM SUB ST31WL BL Many of our customers need to track time in two separate time zones easily, without the need for additional hands or complications. Traditionally, a dedicated GMT watch was the solution, but there's now a simpler alternative. Most dive watches feature a "count up" bezel for diving applications. However, demand has increased for a 12 hour bezel instead. Modern divers often use a dive computer, making the traditional bezel