Side by side

Seiko AstronvsTissot Gentleman

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

Astron
SeikoAstron
MSRP $2,400
Gentleman
TissotGentleman
MSRP $495

At a glance

13 of 29 specs differ
Diameter
Astron42mm
Gentleman40mm
Power Reserve
Astron40h
Gentleman40h
Water Resistance
Astron100m
Gentleman100m
MSRP
Astron$2,400
Gentleman$495

Full specifications

Case

5 specs
Diameter
42mm
40mm
Thickness
12mm
8.52mm
Lug-to-Lug
47.9mm
40mm
Lug Width
14mm
21mm
Material
Titanium
Stainless Steel

Crystal & Dial

5 specs
Crystal Shape
Flat
Domed
AR Coating
Super-clear coating
Inner
Dial Color
Black
Blue
Indices
Applied
Indexes
Lume
LumiBrite on hands and index(es)
Super-LumiNova ®

Movement

2 specs
Caliber
3X62
Jewels
10
25

Pricing

1 specs
MSRP
$2,400
$495

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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.

Seiko Astron

The Seiko Astron is widely praised for its advanced time-telling technology, including GPS and radio wave synchronization, and its self-sufficient solar-powered quartz movement. Owners appreciate the detailed and high-contrast dials, comfortable and lightweight titanium builds, and well-finished cases and bracelets. Some users report excellent accuracy, with one noting +/- 15 seconds per month, while another finds the autonomous movement's accuracy of 1/2 second per day acceptable due to easy correction via GPS sync. However, the Seiko Astron's price point is frequently cited as a drawback, with some finding it high for a quartz watch, particularly when compared to luxury or mechanical alternatives. Specific criticisms include manual DST implementation, the need for outdoor sync, sparse lume, and a minute hand that sits slightly off on one model, with accuracy of +13 sec/month being disappointing for its cost on another.

Tissot Gentleman

Owners and reviewers widely praise the Tissot Gentleman for its exceptional value, versatile design, and impressive finishing for its price point, often highlighting its thin case profile and the reliable Powermatic 80 movement with an 80-hour power reserve and silicon balance spring. The 38mm and 40mm case sizes are frequently cited as comfortable and wearable, with some owners appreciating the subtle "pyramidal" sunburst dial for added visual interest. Specific models are noted for features like an 18k gold bezel or full titanium construction, enhancing perceived quality. Accuracy is generally reported as COSC-level, though one owner notes the seconds hand sweep is less smooth. On balance, owners and reviewers rate the Tissot Gentleman highly for its blend of classic design, modern movement technology, and accessible price.

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