Outdoor Watch, 39mm The Leatherback Sea Turtle watch gets its name from the design of the watch, the classic Luminox case with the protected crown balanced by an opposite outcropping, resembles the shape of a turtle. Featuring a 39 mm CARBONOX™ case and water resistance up to 100 meters, this black-in-black dial is equipped with the proven Luminox Light Technology lighting system. "Always Visible", self-powered, for up to 25 years. Specification Details - Reference: XS.0301.BO.L - Movement: Swiss Quartz RONDA 515 - Battery Life: 50 months - Functions: Time, Date - Illumination: Constant glow for up to 25 years - Bezel: Unidirectional rotating - Case Material: CARBONOX™ - Case Back: CARBONOX™ screw‑on - Case Size: 39mm - Thickness: 12mm - Weight: 40g - Water Resistance: 100m / 330ft / 10 ATM - Crown: Security gaskets, crown protected - Crystal: Hardened mineral (550–650 Vickers) - Strap Material: Silicone with IP Black 316L Stainless Steel hardware - Strap Width: 19mm - Sustainability: Fully CO₂ neutral (Scopes 1, 2, 3 – Greenhouse Gas Protocol) - Swiss Made: Yes Item # XS.0301.BO.L #BestRingEver #TidewaterDiamond