Tudor - a Black Bay Pro wrist watch, 39mm., , Tudor - a Black Bay Pro GMT wrist watch. Stainless steel case with calibrated bezel. Case width 39mm. Reference 79470, serial H8085W1. Automatic movement. Black dial with luminous hour markers, date aperture to three. Fitted to a signed rubber strap with stainless steel deployant clasp. Box and papers., , Please note: When placing absentee bids, your bids will be rounded up to the nearest bid increment. For more information click the 'Important Notices for Purchasers' button above.