Side by side

Spinnaker Tesei Bronze SwissvsSeiko Astron

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

Tesei Bronze Swiss
SpinnakerTesei Bronze Swiss
MSRP $850
Astron
SeikoAstron
MSRP $2,400

At a glance

14 of 29 specs differ
Diameter
Tesei Bronze Swiss43mm
Astron42mm
Power Reserve
Tesei Bronze Swiss40h
Astron40h
Water Resistance
Tesei Bronze Swiss300m
Astron100m
MSRP
Tesei Bronze Swiss$850
Astron$2,400

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
43mm
42mm
Thickness
16mm
12mm
Lug-to-Lug
52mm
47.9mm
Lug Width
22mm
14mm
Material
Bronze
Titanium
Water Resistance
300m
100m

Crystal & Dial

3 specs
AR Coating
Inner
Super-clear coating
Dial Color
Green
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Sellita SW200-1
3X62
Type
Automatic
Quartz
Jewels
25
10

Pricing

1 specs
MSRP
$850
$2,400

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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.

Spinnaker Tesei Bronze Swiss

Owners praise the Spinnaker Tesei Bronze Swiss for its incredible macro-level detail and sharp design, noting its bronze case, ceramic bezel, and wave dial. The inclusion of a Sellita SW200 Swiss movement is highlighted. One owner expressed a desire for a smaller 39-40mm variant, stating it would be their ultimate bronze diver if such a size were offered. On balance, owners rate the Spinnaker Tesei Bronze Swiss highly for its detailed finishing and bronze diver aesthetic.

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.

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