This uber rare Hamilton Count-Down GMT Chromatic is a watch that is rarely seen outside of private collections. The Chronomatic has a large 48mm satin brushed case, anodized red pushers and features a chrono-matic cal.141 with additional GMT hand and two crowns used to rotate 24h and time-zone bezel rings. This watch is in near mint condition and has never been polished.
The Count-Down GMT Chronomatic uses a movement was a joint development by Breitling, Heuer and Buren on being the first company to produce an automatic chronograph. In this case, is featured the micro-rotor automatic winding mechanism with a beat rate of 19800 A/h. This chronograph was named caliber 11, together with it’s caliber family (caliber 12 (higher beat rate), caliber 14 (GMT) and caliber 15 (small second) they were called the “Chrono-Matic”. All 3 company's (Breitling, Heuer and Buren) used these movements in their watches. But how does Hamilton fit in? Well, Hamilton acquired the Buren firm in 1966. Hamilton dubbed this modified moment the Cal. 141. The distinct design features the chronograph push buttons on the opposite of the crown, which mostly leads to watches with the crown on the left and pushers on the right. When looking at the back of the watch the number 141001-3 is shown. Indicating it has the caliber 14 or Hamilton 141 movement.
This timepiece is not only functional but extremely sought after among the watch collecting community. This would make a great addition to the expanding collectors collection and is an eye-catching conversation starter of a timepiece!
All Stainless steel case huge case for a vintage watch at 48mm excluding crown & pushers 49mm inclusive
52mm lug tip to lug tip and 22mm lug spacing
Inner Rotating GMT Bezel and inner rotating Countdown timer Bezel
Reverse Panda Dial Dual Rotating Bezels all hands are original dial is near mint
Original H clasp Stainless Steel graduated Link bracelet
HAMILTON CAL. 141
The Caliber 12 / 14 needs no introduction.
A Ventured joint development of Hamilton-Buren, Breitling and Heuer
and chronograph module Dubois-Depraz 8510 on Buuren base caliber 1281
crown at 9h
double excenter regulator for curb pins and stud carrier
automatic chronograph, 60s, 30min, 12h, cam switched
date: set by changing 21-24h
f = 21600 A/h
power reserve 42h
Specs as always courtesy of Dr. Ranfft