Tudor Black Bay 31 S&G B16699DSSADIL The highly polished base layer

The highly polished base layer in the cold-enamel planes reflects light like a crystal

Beneath that dial is the automatic Spring Drive Caliber 9R65

Movement

Three-fold clasp with secure lock

Tudor Black Bay 31 S&G B16699DSSADIL The highly polished base layerRoyal Jewelers is an authorized Tudor dealer in the Boston area and offers the Tudor Black Bay 31 S&G with Tudor's 5 year warranty. Five year Guarantee Five year transferable guarantee with no registration or periodic maintenance checks required Case 31mm 316L steel case with polished and satin finish Movement Manufacture Calibre MT5201 (COSC)Self winding mechanical movement with bidirectional rotor systemIntegrated construction Power Reserve Power