Side by side

Hamilton Jazzmaster Thinline AutovsGruppo Gamma Field III GMT Date

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

What people say

Owners + reviewers, side by side

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

Hamilton Jazzmaster Thinline Auto

Owners widely praise the Hamilton Jazzmaster Thinline Auto for its gorgeous, stunning, and captivating dials, particularly the champagne and burgundy variants, and its thin, comfortable profile, often noted at around 7mm to 8.4mm, making it ideal for wearability under shirt cuffs. The ETA 2892 movement is considered a strong value, though some owners report the rotor can be noisy and the winding feel unrefined, while others find the small crown difficult to manipulate. The absence of a second hand is polarizing, with some appreciating the simplicity and ease of setting, while others miss its presence. Overall, owners rate the Hamilton Jazzmaster Thinline Auto highly for its attractive, thin design and dial beauty at its price point.

From video reviewers

The slim case profile and affordable price point are consistently praised. Reviewers noted the absence of a second hand.

Gruppo Gamma Field III GMT Date

Owners widely praise the Gruppo Gamma Field III GMT Date for its awesome looks, quality, and good value. The watch features a 40mm brushed 316L stainless steel case, box sapphire crystal, and 200m water resistance, powered by a Seiko NH34A movement. Some reviewers note the NH34A movement's accuracy can range from -20~+40 seconds per day, though one reviewer reported +5 seconds per day with a regulated movement. The dial's dense layout with Arabic numerals can be overwhelming for some, and one owner found the size unsuitable for smaller wrists. On balance, owners rate the Gruppo Gamma Field III GMT Date highly for its impressive finishing and toolish design at its price point.

At a glance

12 of 29 specs differ
Diameter
Jazzmaster Thinline Auto40mm
Field III GMT Date40mm
Power Reserve
Jazzmaster Thinline Auto42h
Field III GMT Date41h
Water Resistance
Jazzmaster Thinline Auto50m
Field III GMT Date200m
MSRP
Jazzmaster Thinline Auto$1,145
Field III GMT Date$459

Full specifications

Case

5 specs
Category
Dress
GMT
Thickness
8.45mm
14mm
Lug-to-Lug
0mm
48.5mm
Lug Width
20mm
22mm
Water Resistance
50m
200m

Crystal & Dial

3 specs
AR Coating
Yes
Dial Color
Beige
Black
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
ETA 2892-A2
Seiko Instruments NH38A
Power Reserve
42h
41h
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$1,145
$459
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