Side by side

Tissot Seastar 1000 ChronographvsZelos Spearfish 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
Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

14 of 29 specs differ
Diameter
Seastar 1000 Chronograph45.5mm
Spearfish GMT40mm
Power Reserve
Seastar 1000 Chronograph40h
Spearfish GMT40h
Water Resistance
Seastar 1000 Chronograph300m
Spearfish GMT200m
MSRP
Seastar 1000 Chronograph$650
Spearfish GMT$999

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
45.5mm
40mm
Thickness
12.82mm
13mm
Lug-to-Lug
45.5mm
40mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

4 specs
AR Coating
Yes
Inner
Dial Color
Black
Frost
Indices
Indexes
Applied
Lume
Super-LumiNova ®
None

Movement

2 specs
Caliber
Sellita SW330-2
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$650
$999

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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.

Zelos Spearfish GMT

The Zelos Spearfish GMT is widely praised for its exceptional value, with reviewers highlighting its superb finishing, flawless machining, and a tool-less micro-adjustment clasp that exceeds its price point. It features a La Joux-Perret G100 movement with a 68-hour power reserve, achieving an average accuracy of +2.6 seconds per day, or a Miyota 9075 movement offering flier-style GMT functionality. The 40mm case and bidirectional 48-click ceramic bezel are well-executed, though one reviewer noted a minor compromise in the end link fit. Overall, owners and reviewers rate the Zelos Spearfish GMT highly for its impressive finishing and value proposition.

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