Side by side

Gruppo Gamma Vanguard WeatheredvsHamilton Jazzmaster Seaview Auto Chrono

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

Vanguard Weathered
Gruppo GammaVanguard Weathered
MSRP $790
Jazzmaster Seaview Auto Chrono
HamiltonJazzmaster Seaview Auto Chrono
MSRP $2,045
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 Seaview Auto Chrono

Owners report that after seven years of daily wear, the Hamilton Jazzmaster Seaview Auto Chrono began gaining approximately 15 seconds per day, requiring a service. Post-service, accuracy improved to +/- 4 seconds per day, and a case replacement was included in a $220 plus tax service cost. One owner finds the Hamilton Jazzmaster Seaview Auto Chrono attractive with its sapphire bezel, clean dial, and polished/brushed finishing. On balance, owners value the watch's aesthetics and finishing, though one owner considers its retail price too high for a quartz model.

At a glance

11 of 29 specs differ
Diameter
Vanguard Weathered42mm
Jazzmaster Seaview Auto Chrono44mm
Power Reserve
Vanguard Weathered42h
Jazzmaster Seaview Auto Chrono40h
Water Resistance
Vanguard Weathered100m
Jazzmaster Seaview Auto Chrono100m
MSRP
Vanguard Weathered$790
Jazzmaster Seaview Auto Chrono$2,045

Full specifications

Case

5 specs
Category
Chronograph
Diameter
42mm
44mm
Thickness
12.6mm
14.95mm
Lug-to-Lug
49.5mm
46mm
Finish
Weathered
Brushed and polished

Crystal & Dial

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

Movement

2 specs
Caliber
Miyota 9039
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$790
$2,045
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