Marathon WW194021SS-0530 Arctic Edition Jumbo JDD Automatic Hamilton KHAKI AVIATION AIR RACE 42MM-H76525751 for sale domed sapphire crystal with anti-reflection

domed sapphire crystal with anti-reflection coating on both sides

See-through & Screw case back

and it's the same material that makes up pearls

Automatic Diver'

600 JEWELS: 30 POWER RESERVE: 7 days

Marathon WW194021SS-0530 Arctic Edition Jumbo JDD Automatic Hamilton KHAKI AVIATION AIR RACE 42MM-H76525751 for sale domed sapphire crystal with anti-reflectionThe 46mm Arctic JDD is a rugged dive watch designed for professional Search & Rescue use, specifically in bright and hazardous environments. Featuring an Arctic White dial for increased legibility in daylight operations and submersible up to 30ATM, the 46mm Arctic JDD is hand crafted to provide ultimate endurance above or below sea level. Movement: Sellita SW220 with Incabloc Shock Absorber, Automatic Jewels: 26 Scale Quantity: 2 Scale Range: 1 12 (13