Zenith watch, Surf model, vintage 1970s, steel case, diameter 36.5 mm (excluding crown), lug width 40.2 mm, thickness 12 mm. Stainless steel case back, logo on inside, exterior serial number 01-1640-380, generic crown, Plexiglas crystal in very good condition. Good dial, some barely visible signs of wear, bar-type hands and hour markers, tritium on the hand with normal age-related wear, see photos. Swiss made self-winding movement, 17 jewels, Zenith logo, calibre 2572PC, frequency of 28,800 A/h, in perfect working order and precise. Generic green leather strap and steel buckle. Total watch length (including strap): 240 mm. No box or papers. The photos are an integral part of the description. Tracked shipping via international courier.