
Nevada also encompassed other modern wristwatch innovations, creating waterproof and “rustless” watches that would stand up to the rigors of the outdoor adventures they were creating a watch for. The 1960s and 1970s were what we now know as the golden era of sports watch design where the form of a watch needed to meet its intended function to support the adventures that the watch was created for. Nivada Grenchen or Croton in the States was founded in Grenchen, Switzerland in the 1920s by Jacob Schneider, Nivada Grenchen was actually one of the first watch brands to manufacture automatic watches. Within the expansive world of vintage timepieces, there is no uncertainty that vintage tool watches hold a particular position in the minds of numerous collectors. This Croton Chronomaster Aviator Sea Diver 9870 was introduced in 1969, and it was produced until 1978.The Chronomaster range of watches from Nivada Grenchen and Croton were produced when adventures and exploration were at the forefront of what was happening in the world and within the pop culture of the 1960s. It includes a micrometer regulator, and the mechanism oscillates at a frequency of 18,000 vph (2.5Hz). It's constructed with 17 jewels, an Incabloc shock absorber device, a straight-line lever escapement, and a self-compensating Breguet flat balance spring. Size: OS Croton linkkat CROTON MENS DIVING WATCH silver black with.

248/Valjoux 7733 mechanical manual-winding chronograph movement. CROTON Chronomaster stainless steel 10 atm 300 ft water resistant silver tone.

This Croton Chronomaster Aviator Sea Diver 9870 has a Landeron cal.
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It has a 45-hour power reserve at full wind, and the 14mm thick case, dial, and movement are all signed. Shop Mens Croton Silver Blue Size OS Watches at a discounted price at Poshmark. There are twin recessed black 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. It has luminous broad arrow steel baton hands, and a center sweep chronograph seconds hand. There is a black dial with luminous baton hour indices around an outer minute/one-fifth second scale, twin luminous dots 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.

Croton Chronomaster aviator seadiver Around 1960 Steel case Hand-wound mechanical movement. A crisp, clean example of Crotons all-in-one classic, the Chronomaster Aviator Sea Diver.
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Our wide selection is eligible for free shipping and free returns. Croton Stainless Steel Aviator Sea Diver Chronomaster, Circa 1960's. It has a shell cordovan strap with a stainless steel tang buckle, and a scratch resistant sapphire crystal. Buy Croton Men's Chronomaster Chronograph Stainless Steel Watch and other Wrist Watches at. 1970's stainless steel Croton Chronomaster Aviator Sea Diver 9870. More about Vintage Chronomaster Aviator Sea Diver SS
