Thanks for that! Here are the details from WatchBase: "The Omega Railmaster ref. 2812.52.37 'China Explorer' features a stainless steel case and a coated nylon fabric strap. Both the luminous bits as well as the stitching on the strap are yellow. Contrary to other Railmaster Chronographs, it is powered by caliber 3313 and does feature a date. It is a limited edition of 351 pieces; 194 of which were fitted with a stainless steel bracelet as reference 2512.54.00."
It's a beautiful watch...I really enjoy the colours on the markers and hands!
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