Hamilton Jazzmaster Jazzmaster Auto 40 Stainless Steel / Blue

Reference H42535640

About this watch

The Hamilton Jazzmaster Auto 40 is a masterpiece of Swiss watchmaking, blending American spirit with precision. Its stunning blue dial, adorned with elegant Roman numerals and sleek Dauphine hands, captures attention without being overly ostentatious. The automatic movement, featuring 25 jewels and a power reserve of up to 80 hours, ensures reliability and longevity. With its mono-block rotor skeletonized in an 'H' shape, this watch is both beautiful and functional. Perfect for formal or casual occasions, the Jazzmaster Auto 40 strikes a balance between presence and wearability, thanks to its 40mm case diameter and 11.05mm height. Its open case back reveals the intricate workings of the movement, while its water resistance rating of 50 meters makes it versatile enough for everyday wear. Whether you're looking for a daily driver or a statement piece, this watch ticks all the right boxes, offering exceptional value for quality craftsmanship.
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Key Features

  • Hamilton caliber H-10 ND automatic movement
  • 40mm stainless steel case with open case back
  • Sapphire crystal glass with matte blue dial

Specifications

Brand
Hamilton
Family
Jazzmaster
Model
Jazzmaster Auto 40 Stainless Steel / Blue
Reference
H42535640
Movement
h-10-nd
Movement Features
  • Hours, Minutes, Seconds
Case
Stainless Steel 40mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] (CONUS) Hamilton Jazzmaster Power Reserve 42mm (400 shipped)

(CONUS) Hamilton Jazzmaster Power Reserve 42mm (400 shipped)

Hamilton - H89545121 · $400
The seller is listing a Hamilton Jazzmaster Power Reserve with an 80-hour power reserve, powered by the Hamilton Calibre H-13 movement. It comes in a 42mm size and features a bracelet with enough links for up to an 8.75" wrist.

  • Condition: flawless (bracelet), perfect working order
  • Case size: 42mm
  • Strap length compatible wrist size: up to 8.75in
  • Power reserve: 80 hours
Posted at
Apr 24, 2026, 10:23 AM
Active
[WTS] Hamilton Jazzmaster Maestro Auto Chrono H32716859 - 9.5/10 - $700

Hamilton Jazzmaster Maestro Auto Chrono H32716859 - 9.5/10 - $700

Hamilton - H32716859 · $700
A discontinued Hamilton Jazzmaster Maestro Auto Chrono powered by the ETA/Valjoux 7750, featuring chrono, date, and day complications in a 45mm stainless steel case.

  • Condition: 9.5/10 - minimal wear
  • Case size: 45mm diameter
  • Water resistance: 100m
Posted at
Apr 15, 2026, 9:42 PM
Active
[WTS] Hamilton Jazzmaster Power Reserve H89545121 ($500)

Hamilton Jazzmaster Power Reserve H89545121 ($500)

Hamilton - H89545121 · $500
The Hamilton Jazzmaster Power Reserve is a 42mm watch with an 80 hour power reserve powered by the Hamilton Calibre H-13 movement.

  • Movement: Hamilton Calibre H-13
  • Power Reserve: 80 hours
  • Case Size: 42mm
Posted at
Apr 15, 2026, 4:29 PM
Active