Side by side

Tissot Seastar 1000 ChronographvsGruppo Gamma Field III GMT

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

Seastar 1000 Chronograph
TissotSeastar 1000 Chronograph
MSRP $650
Field III GMT
Gruppo GammaField III GMT
MSRP $459

At a glance

12 of 29 specs differ
Diameter
Seastar 1000 Chronograph45.5mm
Field III GMT40mm
Power Reserve
Seastar 1000 Chronograph40h
Field III GMT41h
Water Resistance
Seastar 1000 Chronograph300m
Field III GMT200m
MSRP
Seastar 1000 Chronograph$650
Field III GMT$459

Full specifications

Case

5 specs
Category
Diver
GMT
Diameter
45.5mm
40mm
Thickness
12.82mm
14mm
Lug-to-Lug
45.5mm
48.5mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
Indices
Indexes
Applied
Lume
Super-LumiNova ®
Super-LumiNova

Movement

4 specs
Caliber
Seiko Instruments NH38A
Type
Quartz
Automatic
Power Reserve
40h
41h
Complications
None
GMT

Pricing

1 specs
MSRP
$650
$459

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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.

Tissot Seastar 1000 Chronograph

Owners widely praise the Tissot Seastar 1000 Chronograph for its captivating blue dial, excellent case finishing, and legible matte dial, with some noting its Powermatic 80 movement offers remarkable accuracy averaging -0.6 seconds per day and an 80-hour power reserve. The ceramic bezel is also frequently highlighted as exceptionally well-done, and the bracelet is described as surprisingly strong. However, multiple owners report issues including bezel looseness, paint chipping, flooding, a broken crown, and a protruding case back causing discomfort. Some find the watch too large, with one owner noting unfinished case sides and a crown pattern that digs into fingers. Overall, owners rate the Tissot Seastar 1000 Chronograph highly for its impressive finishing and value, despite a notable number of reports concerning durability and comfort issues.

Gruppo Gamma Field III GMT

Owners praise the Gruppo Gamma Field III GMT for its look and value, with specific mentions of its sandwich dial and comfortable OEM straps. One owner notes incredible quality for the price across their Gruppo Gamma watches. The watch features a 40mm brushed stainless steel case, box sapphire crystal, and a Seiko NH34A movement with a 41-hour power reserve and stated accuracy of -20~+40 s/day. Some find the lack of a date window a drawback for a GMT, and question its differentiation from other NH34-powered watches. On balance, owners and reviewers find the Gruppo Gamma Field III GMT to be a good value with quality construction for its price point.

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