9/14/2023 0 Comments Croton chronomaster watch 7733![]() This Croton Chronomaster Aviator Sea Diver 9870 was introduced in 1969, and it was produced until 1978. It includes a micrometer regulator, and the mechanism oscillates at a frequency of 18,000 vph (2.5Hz). The classic large stainless steel 38mm stainless steel case. 7733 chronograph movement with a simple and no-nonsense dial that is beautifully executed and in flawless condition, featuring a vibrant red and blue 10-minute count down on the left sub-dial. Robust reliable movement used by hundreds of watch manufacturers and retailers. This Croton Chronomaster Aviator Sea Diver ref. ![]() It's constructed with 17 jewels, an Incabloc shock absorber device, a straight-line lever escapement, and a self-compensating Breguet flat balance spring. Seen in all the late 1960s models onwards. 248/Valjoux 7733 mechanical manual-winding chronograph movement. This Croton Chronomaster Aviator Sea Diver 9870 has a Landeron cal. It has a 45-hour power reserve at full wind, and the 14mm thick case, dial, and movement are all signed. There are twin recessed white subsidiary dials, including a running seconds register at 9 o'clock, and a 30-minute chronograph totalizer with a red 5-minute regatta countdown wedge. The roots of the Croton Watch Company can be traced to the city of Crotone in southern Italy. It has steel baton hands with luminous inserts, and a red center sweep chronograph seconds hand. VINTAGE NIVADA CROTON Chronomaster Aviator Sea Diver watch 60s chronograph 7733 - EUR 1.852,28. This model features a Valjoux 7733 movement. There is a black dial with luminous baton hour indices around an outer minute/one-fifth second scale, a red marker at 12 o'clock, and the perimeter has a tachymeter to 600 UPH. ![]() The 38.5mm diameter solid two-body case, downturned lugs, and bi-directional rotating flat bezel with a 60-minute dive scale with Arabic numeral hour markers every five minutes, are polished/brushed. ![]() SWISS." It has a black bi-directional 60-min bezel with 2 time zones. There are round chronograph push buttons with a screw-down winding crown, and a solid screw-down case back, inside of which is hand tooled a sunray pattern and engraved with "CROTON INTERNATIONAL WATCH CO. It has a shell cordovan strap with a stainless steel tang buckle, and a scratch resistant sapphire crystal. 1970's stainless steel Croton Chronomaster Aviator Sea Diver 9870. More about Vintage Chronomaster Aviator Sea Diver SS ![]()
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