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Model: 425 Perpetual Calendar (Day-Date); Swiss Made circa 1970s
Case: Solid stainless steel back with base metal bezel; case is approximately 38mm excluding the original oversized crowns; top crown screws down to lock the bezel; bottom crown winds and sets the watch
Strap: 19mm black genuine Horween shell cordovan strap with matching stitching and polished stainless steel tang buckle
Movement: Amida cal. 425 manual-winding movement with red day indicator arm; 18,000 BPH; Swiss Made
Features: Incredible original three-color dial (black, red, and white) with outer track featuring the days of the week; original luminous hands and unique red day indicator arm; original rotating calendar bezel displays the current date; dual original oversized crowns; (top crown screws down to lock the bezel and bottom crown winds and sets the watch); large case with original domed acrylic crystal; genuine Horween shell cordovan strap
Condition: Fantastic original condition overall with only light signs of shelf wear consistent with age and handling; case is razor-sharp and completely unpolished; crisp caseback with the original brushing and a few very minor toolmarks; perfect original dial with vibrant colors throughout; original Tritium hands with attractive yellow patina; original rotating calendar bezel (locks via the top screw-down crown)
Other: We know this isn't technically a perpetual calendar despite its model name - It's more of a unique day-date. The red indicator arm outlines the current day of the week and the wearer simply unscrews the top crown to rotate the bezel to the current date. The red indicator arm advances once per day at midnight while the bezel remains locked. Our favorite feature on this watch is the three-color dial, reminiscent of a roulette wheel. It is anything but ordinary and sure to be a conversation piece!