Royal Jewelers is an authorized Tudor dealer in the Boston area and offers the Tudor Pelagos 39 with Tudor's 5 year warranty. Five year Guarantee Five-year transferable guarantee with no registration or periodic maintenance checks required Case 39mm grade 2 titanium case with satin finish Movement Manufacture Calibre MT5400 (COSC)Self-winding mechanical movement with bidirectional rotor system Power Reserve Power reserve of approximately 70 hours Winding Crown Grade 2 titanium screw-down crown, adorned with the TUDOR shield in relief Waterproofness Waterproof to 200m (660 ft) Bezel Grade 2 titanium unidirectional rotating bezel with insert in sunray satin finish ceramic and luminous material Dial Black sunray satin finish with sandblasted flange and monobloc luminescent ceramic composite hour markers Crystal Sapphire crystal Bracelet Titanium bracelet with TUDOR “T-fit” folding clasp, safety catch and diver’s extension Complimentary black rubber strap with pin buckle and diver’s extension, included in the box