Side by side

Boldr Odyssey 40mmvsSeiko Astron

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

What people say

Owners + reviewers, side by side

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

Boldr Odyssey 40mm

Owners praise Boldr for impressive specifications and value, with one owner noting the Odyssey Black Dragonfish has superior specs and movement compared to other models. A separate owner finds the Venture to be an exceptional value and versatile with strap changes. However, one owner feels the Venture's size is borderline for an 8-inch wrist. Overall, owners rate Boldr highly for its value and specifications.

Seiko Astron

Owners widely praise the Seiko Astron for its spectacular time-telling technology, GPS time sync, and grab-and-go convenience, with many calling it the best watch they have ever owned. Reviewers and owners highlight the well-managed dial detail, textured hour markers, and high-contrast edges, as well as the well-finished case and bracelet. Some find the lightweight titanium build and quick bracelet adjustment contribute to comfortable wearability. Accuracy is noted as +/- 15 seconds per month without GPS, though the autonomous quartz movement can be easily reset by looking at the sky. Criticisms include DST not being automatically implemented, recessed buttons requiring a sharp object for adjustment, and sparse lume with no 12 o'clock marker. Some owners feel the price point is too expensive for its aesthetic appeal. Overall, owners rate the Seiko Astron highly for its advanced time-telling technology and convenient features.

At a glance

14 of 29 specs differ
Diameter
Odyssey 40mm40mm
Astron41.2mm
Power Reserve
Odyssey 40mm42h
Astron
Water Resistance
Odyssey 40mm300m
Astron100m
MSRP
Odyssey 40mm$799
Astron$2,200

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
40mm
41.2mm
Thickness
12.5mm
12mm
Lug-to-Lug
48mm
48.5mm
Lug Width
20mm
14mm
Water Resistance
300m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Super-clear coating
Dial Color
Aurora
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
Seiko 3X62
Type
Automatic
Quartz
Power Reserve
42h
0h
Jewels
0
10

Pricing

1 specs
MSRP
$799
$2,200
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Follow this matchup

Get a note when Boldr Odyssey 40mm vs Seiko Astron gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.