Japanese-quartz movementDurable, hardened mineral crystalCase diameter : 42 mmStainless-steel case; blue dial; date function; chronograph functionsWater-resistant to 330 feet (100 M)

Ecologically friendly, light powered Eco-Drive Caliber B877 Japanese-quartz movement; charges in natural sunlight or indoor lightMax power reserve : 180 days; low charge warning : 3 days; Quick start ability; charge time from stop state to max charge : Incandescent Light - 53 hrs, Outdoors, Cloudy (10,000 Lux) - 17 hrs, Outdoors, Sunny (100,000 Lux) - 6 hrsDurable, hardened non-reflective mineral crystal; performs flight calculations with Pilot's slide rule inner bezel ring operated by crown at 8 o'clockLarge luminous hands and hour and minute markers for easy readability; dual-time function; date feature at three o'clockWater-resistant to 660 feet (200 M)

Ecologically friendly, light powered eco-drive Japanese-quartz movement; charges in natural sunlight or indoor lightDurable, hardened mineral crystalCase diameter : 36 mmGold-tone-stainless-steel case; genuine brown leather strap with buckle; black dial; day and date functionWater-resistant to 330 feet (100 M)

1/20 second chronograph - measures up to 60 MinutesScrew-back case; case diameter : 48mm12/24 hour time; dual time; alarmRotating inner dial ring; all stainless steelWater-resistant to 330 feet (100 M)

Case Diameter - 30 MM

Case Diameter - 57 MM

Black dial, yellow stripe and second hand, and an oversized number at the 3-hourBlack genuine leather strap is molded to fit perfectly flush to the case.Case size : 36 mmStrap width : 200 mmWater resistant : 5 atm

Brown dial with a black stripe and an oversized number at the 3-hourBrown genuine leather strap is molded to fit perfectly flush to the case.Case size : 36 mmStrap width : 200 mmWater resistant : 5 atm

Case Diameter - 35 MM

Case Diameter - 52 MM