Side by side

Seiko AstronvsZelos Thresher 41 GMT

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

Astron
SeikoAstron
MSRP $3,100
Thresher 41 GMT
ZelosThresher 41 GMT
MSRP $729

At a glance

16 of 29 specs differ
Diameter
Astron44.1mm
Thresher 41 GMT41mm
Power Reserve
Astron40h
Thresher 41 GMT40h
Water Resistance
Astron100m
Thresher 41 GMT200m
MSRP
Astron$3,100
Thresher 41 GMT$729

Full specifications

Case

7 specs
Category
Chronograph
GMT
Diameter
44.1mm
41mm
Thickness
14.4mm
11.5mm
Lug-to-Lug
50mm
41mm
Lug Width
14mm
20mm
Material
Titanium
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

5 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Curved
Flat
AR Coating
Super-clear coating
Inner
Dial Color
Black
Damascus LE
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
5X83
Miyota 9075 GMT
Type
Quartz
Automatic
Jewels
14
25

Pricing

1 specs
MSRP
$3,100
$729

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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

Owners widely praise the Seiko Astron for its spectacular technology, self-sufficiency, and grab-and-go convenience, with one owner calling it the best watch they have ever had. Reviewers and owners highlight the detailed and well-managed dials, often with "Grand Seiko-esque" precision, and appreciate the comfortable, lightweight titanium construction. The solar-powered quartz movement with GPS time sync is a significant draw, offering accurate timekeeping. However, the price point of around €2250-€2400 is frequently cited as high for a quartz watch. Some owners note manual DST implementation, dependence on outdoor conditions or radio tower proximity for GPS sync, and sparse lume. One owner experienced the minute hand sitting slightly off and found the recessed buttons difficult to operate. Accuracy figures vary, with some reporting +/- 15 seconds per month without GPS, while others note autonomous quartz movement accuracy of up to 1/2 second per day.

Zelos Thresher 41 GMT

Owners widely praise the Zelos Thresher 41 GMT for its creative design, titanium construction, and excellent lume. Some find the worldtimer bezel busy and the GMT function less easy to read, while others note the double Mother of Pearl dial's dynamic color shifts can be reflective in direct sun. The bezel-based world timer requires manual adjustment and allows for independent GMT use. Overall, owners rate the Zelos Thresher 41 GMT highly for its unique titanium build and striking dial at its price point.

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