Bvlgari. A fine stainless steel automatic diver wristwatch with triple time zone GMT and calendar
Scuba Diagono Professional GMT, Ref: GMT40S, Case no. L04287, Circa 1990s
21-jewel, Cal: ETA2892-A2, COSC certified, automatic movement, monometallic balance, shock protection, self compensating balance, black dial with luminous kite hour index, baton luminous hour and minute hand, sweeping centre second with luminous dot, calendar register at 6, GMT red arrow hand, red and blue time zone indicator on outer ring, bi-directional bezel, screw down crown, GMT pushers at 2 and 4, date adjuster at 8, brushed stainless steel case, sapphire crystal with screw down case back, original stainless steel bracelet with folding buckle, together with box and certificate, case, dial and movement signed 39mm.