Tissot Seastar 1000vsZenith Defy Revival A3643

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Tissot Seastar 1000 at true scale

Seastar 1000

Zenith Defy Revival A3643 at true scale

Defy Revival A3643

Diameter

36mm

37mm

Thickness

9.7mm

n/a

Water Resistance

300m

300m

Power Reserve

n/a

50h

MSRP

$515

lowest

$7,800

Movement

Quartz

n/a

Case

4 specs
Diameter
36mm
37mm
Thickness
9.67mm
n/a
Lug Width
18mm
n/a
Finish
n/a
Stainless steel

Crystal & Dial

5 specs
Crystal
Sapphire
n/a
AR Coating
Yes
n/a
Dial Color
White
Silver
Indices
Indexes
n/a
Lume
Super-LumiNova ®
None

Movement

5 specs
Type
Quartz
n/a
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
50h
Hacking
No
Yes
Hand-winding
No
Yes

Pricing

1 specs
MSRP
$515
$7,800
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Reviews

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

Tissot Seastar 1000

Owners praise the Tissot Seastar 1000 for its 300m water resistance and Swiss quartz movement at its price point, with some highlighting its solid build and value. However, criticisms include ill-proportioned hands and indices, a bezel that can be hard to read, and unremarkable lume. Some owners find the bracelet clasp flimsy, and the lack of anti-reflective coating causes glare. Overall, owners rate the Tissot Seastar 1000 well for its robust water resistance and value proposition in a Swiss quartz package.

From video reviewers

The Powermatic 80 movement with its 80-hour power reserve is a shared strength. Reviewers also agree that the 40mm case size significantly improves wearability.

Zenith Defy Revival A3643

Owners widely praise the Zenith Defy Revival A3643 for its faithful 1969 reissue, featuring a crisp silver sunburst dial, sharp hands, and a sculptural 14-sided bezel within an eight-sided case. Its 37mm size and case geometry allow it to wear vintage without feeling top-heavy, and the 300m water resistance makes it a chic dive watch. The Gay Frères-inspired ladder bracelet, though divisive, offers comfortable wear with period correctness. One owner notes the lume is significantly brighter than on other Zenith models. Accuracy figures vary, with one owner reporting -5 seconds per day and another experiencing -10 to -15 seconds per day issues. The price is $7,800. Overall, owners rate the Zenith Defy Revival A3643 highly for its faithful reissue and comfortable wearability at the price.

From video reviewers

The octagonal case and fourteen-sided bezel are consistently praised. The 15mm thickness is considered substantial for the 37mm case size.