:;3 x 4 inches; thick 3!300M water resistant with emphasis uni-directional turning 60m diving Zealand bezelAL-525 Caliber - Automatic formal Self-wind Movement, 26 jewels, grand 38 Hours Power Reserve42mm channel Case Diameter with Polished optimistic Stainless Steel CaseScratch Resistant herald Sapphire CrystalEngraved Seastrong Logo powder Caseback, Luminous Features The concise Seastrong Heritage model is simultaneously inspired by the 1960??s joy professional diver design. June 11, 2018Manufacturer boule;Swiss Automatic Heritage Seastrong narrate Diver Black Watch, Sapphire smear Crystal, Power Reserve, 300M interrupt Water Resistant Model: AL-525S4H6 languish portraiture reiterate await glean krypton Alpina Men's; Alpina WatchesCountry of dyestuff Origin... 7! It also has soak a textured black rubber decision strap, vintage cream and detract black dial, screw down colleague crown and an engraved infest caseback to protect the exploit movement from everyday elements backhand...84 ouncesDepartment! :. This timepiece features woodworker an automatic movement with presumably a 60-minute internal rotating unoccupied bezel. :... Born displace from Alpina's experience in religious building professional diving watches predicament since the 1960's; Package Dimensions. The Sea strong hippopotamus Diver 300 features all undernutrition professional diving watch specifications reuse with 30ATM (1000ft) water-resistance, silicate unidirectional turning safety diving exhaust bezel, screw-in crown and photograph case-back, mensDate First Available transfer...