Side by side

Gruppo Gamma Vanguard SteelvsTissot Seastar 1000 GMT

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

Vanguard Steel
Gruppo GammaVanguard Steel
MSRP $790
Seastar 1000 GMT
TissotSeastar 1000 GMT
MSRP $575
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 Steel

The Gruppo Gamma Vanguard Steel is praised for its aged steel case and cream sandwich dial. However, some owners dislike the distorted sapphire crystal and the absence of minute markers, with one noting difficulty in replacing the crystal due to hand fitment. The watch features a Miyota 9039 movement with a 42-hour power reserve and an accuracy range of -10 to +30 seconds per day, and is offered with two strap options. On balance, owners value the Gruppo Gamma Vanguard Steel for its distinctive aged aesthetic and dial design, despite some reservations about the crystal.

From video reviewers

Movement accuracy is a notable strength, with one reviewer noting a -1.8 second per day deviation after initial testing. A weakness is the substantial price hike for the re-release model, which raises questions about whether the upgrades justify the cost. Reviewers disagree on the watch's originality, with one calling it "decidedly derivative" and the other not mentioning this aspect.

Tissot Seastar 1000 GMT

Owners widely praise the Tissot Seastar 1000 GMT for its sapphire crystal, 300m water resistance, and GMT complication, with one owner expressing deep satisfaction. A point of contention for some is that Swiss quartz movements may exhibit second-hand misalignment with markers, unlike certain Japanese quartz movements. On balance, owners rate the Tissot Seastar 1000 GMT highly for its robust features and value.

At a glance

14 of 29 specs differ
Diameter
Vanguard Steel42mm
Seastar 1000 GMT40mm
Power Reserve
Vanguard Steel42h
Seastar 1000 GMT40h
Water Resistance
Vanguard Steel100m
Seastar 1000 GMT300m
MSRP
Vanguard Steel$790
Seastar 1000 GMT$575

Full specifications

Case

6 specs
Category
Diver
Diameter
42mm
40mm
Thickness
12.6mm
11.77mm
Lug-to-Lug
49.5mm
40mm
Lug Width
22mm
20mm
Water Resistance
100m
300m

Crystal & Dial

4 specs
AR Coating
Yes
Inner
Dial Color
Forged Carbon
Black
Indices
Applied
Indexes
Lume
Super-LumiNova
Super-LumiNova ®

Movement

3 specs
Caliber
Miyota 9039
11 1/2'''
Type
Automatic
Quartz
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$790
$575
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