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Hamilton Jazzmaster
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MovementAutomatic H-10 / H-30 / H-40, depending on the sub-line
Diameter40 / 42 / 44 mm depending on the execution
Thicknessvaries by caliber
Water resistance5 bar (50 m), varies by execution
Buildsteel, bracelet or leather strap

Jazzmaster

"American Spirit, Swiss Precision": the contemporary elegance of the Hamilton catalog

Line History

The Jazzmaster emerged in the mid-2000s as an evolution of the earlier Linwood Viewmatic line, whose name in turn traces its roots back to Hamilton's history as far as 1938 and which, in the 1990s, the Swatch Group had relaunched as part of the brand's repositioning strategy as a global Swiss manufacture. By refining the Linwood's design, Hamilton created a new collection that fully inherits the motto "American Spirit, Swiss Precision," with which the brand still sums up its dual identity today: American birth, Swiss-made production.

The aesthetic of the early Jazzmaster Viewmatic models looks explicitly to Hamilton's vintage heritage, in particular to the "Automatic K" line of the 1950s and 1960s and to the 1954 K-400 model: the guilloché pattern on the dial, the layout of the indices and the 12-6-9 numeral sequence are details that directly recall that vintage watchmaking, reinterpreted with contemporary proportions and materials.

Over time the collection has grown to include several distinct sub-lines while remaining recognizable as a single family: from the classic three-hand Viewmatic to the Jazzmaster Open Heart, which opens a window onto the balance wheel, to the fully skeletonized Skeleton movement, the reversible case of the Face 2 Face, and, more recently, the sportier executions of the Performer line — a variety that reflects the balance between historical heritage and contemporary watchmaking at the heart of Hamilton's positioning today.

Technical Specifications

Movement
Automatic Hamilton caliber (H-10, H-30 or H-40 depending on the reference)
Case
Steel, diameters between 40 and 44 mm depending on the sub-line
Crystal
Anti-reflective sapphire
Dial
Guilloché or openwork, depending on the execution (Viewmatic, Open Heart, Skeleton)
Water resistance
5 bar (50 m), varies by execution
Strap
Leather or steel bracelet
Power reserve
60 to 80 hours depending on the caliber
Heritage
1950s-60s Automatic K line (in particular the 1954 K-400) and the earlier Linwood line

Main Executions

Jazzmaster ViewmaticThree-hand automatic, inspired by the 1954 K-400current production
Jazzmaster Open HeartDial with a window onto the balance wheelcurrent production
Jazzmaster Face 2 FaceReversible case with two dialscurrent production
Jazzmaster SkeletonFully skeletonized movementcurrent production
Fun Fact

The name "Jazzmaster" evokes American jazz music, in keeping with the "American Spirit, Swiss Precision" motto that accompanies the collection: a cultural reference that, as with other lines from the brand, ties Hamilton's stylistic vocabulary more to American arts and culture than to watchmaking tradition alone.