OMEGA - a stainless steel Seamaster Aqua Terra Co-Axial bracelet watch, 39mm., , OMEGA - a Seamaster Aqua Terra Co-Axial bracelet watch. Stainless steel case with exhibition case back. Case width 39mm. Reference 2504.50.50, serial 8040243. Signed automatic calibre 2500 with quick date set. Black dial with spearhead hour markers, date aperture to three. Fitted to a signed stainless steel bracelet with folding clasp., , 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.