Side by side

Gruppo Gamma Vanguard WeatheredvsHamilton Jazzmaster Slim Auto

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Vanguard Weathered
Gruppo GammaVanguard Weathered
MSRP $790
Jazzmaster Slim Auto
HamiltonJazzmaster Slim Auto
MSRP $825

At a glance

12 of 29 specs differ
Diameter
Vanguard Weathered42mm
Jazzmaster Slim Auto40mm
Power Reserve
Vanguard Weathered42h
Jazzmaster Slim Auto50h
Water Resistance
Vanguard Weathered100m
Jazzmaster Slim Auto30m
MSRP
Vanguard Weathered$790
Jazzmaster Slim Auto$825

Full specifications

Case

6 specs
Category
Dress
Diameter
42mm
40mm
Thickness
12.6mm
8.35mm
Lug-to-Lug
49.5mm
46mm
Finish
Weathered
Brushed and polished
Water Resistance
100m
30m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Forged Carbon
Black
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Miyota 9039
No caliber
Power Reserve
42h
50h

Pricing

1 specs
MSRP
$790
$825

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Gruppo Gamma Vanguard Weathered

The satin-finished steel case is well-executed and aesthetically pleasing. The watch's lumières de nuit are not particularly bright, which might be a drawback for some users. Reviewers disagree on the watch's originality, with one reviewer finding it pleasing in-person and another describing it as decidedly derivative.

Hamilton Jazzmaster Slim Auto

The Hamilton Jazzmaster Slim Auto is praised for its elegance, light weight, and impressive leather strap, offering a classy yet engaging aesthetic. Its thin 8mm profile, achieved partly by omitting a seconds hand and utilizing the ETA 2892 movement, contributes to its wearability. However, one owner notes the 44mm case size as being very large, and another finds it less appealing than vintage Hamilton models, though the black dial version is considered better looking. Overall, owners appreciate the Hamilton Jazzmaster Slim Auto for its slim profile and elegant design.

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