Hamilton JazzMaster Automatic Chronograph triple Date Monn-phase Swiss Made Watch – 7751 Valjoux.

Ref: H326590
Dial: black skeleton dial with silver Arabic numerals and accents.
Movement: automatic chronograph, ETA 7751, 25 Jewels, a fourth pusher on the left side of the watch to set the date.
The layout is the standard 7751 Valjoux layout with 24 hours/dual time zone at 9:00, chronograph seconds by central watch hand, 30 minutes at 12:00 and 12 hours at 6:00. The date is indicated by a central pointer circling the perimeter of the dial, day/month opening is at 12:00, with black letters on white discs.

See-thru case-back secured by five screws, marked H326590 | 10 ATM/330 Ft | STAINLESS STEEL | VALJOUX 7751 | SAPPHIRE CRYSTAL | SWISS MADE.

Original black leather strap with ardillon buckle, both marked HAMILTON.


Automatic chronograph
Escapement: stone lever
Yoke winding system
Stop mechanism: Cam switching
Glucydur balance wheel
Nivaflex mainspring
Incabloc shock protection


Small seconds
Chronograph: 1/8-seconds counter, 30-minutes counter, 12-hours counter
Date: hands, quickset date feature
Hacking seconds
Complications: 24-hours indication, day: quickset date feature, moon phase: rapid advance


25 jewels
28,800 A/h
Power reserve 46h

Excellent overall condition, with box, no papers. Some faint marks on the watch case.

Tool for the fourth pusher (date correction) included.

Including the box.

The watch is working and keeping a pretty precise time, but as for any other used or vintage watch, a basic revision is recommended.

Most of the watches that I am selling are liquidation or collector items, therefor I make no claims and give no warranty regarding continual accuracy of time keeping. Used, antique or vintage watches may need servicing, even if they are in good running condition. Unless otherwise stated they may need to be cleaned, oiled, adjusted or timed. I cannot guarantee a used watch to be waterproof or water resistant.


Additional information


Central Second, Luminous Hands, Sapphire Crystal, Self-Winding, Swiss Made, Water-Resistant


Chronograph, Dual Time Zone, Moonphase, Pointer Date, Triple Calendar

Base Movement

7754 ETA


28800 A/h


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