Side by side

Boldr Odyssey BronzevsSeiko Prospex Sea

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 Bronze

The Boldr Odyssey Bronze is widely praised for its robust, ship-like aesthetic and substantial feel, with its meteorite dial and OEM Horween strap highlighted as unique features. Owners feel the style, fit, finish, and specifications compensate for criticisms regarding the movements used at its price point. On balance, owners rate the Boldr Odyssey Bronze highly for its distinctive aesthetic and quality finishing.

From video reviewers

The 500m water resistance and Lumicast lume are standout features. The 45mm+ case size is a drawback for some wrists.

Seiko Prospex Sea

Seiko Prospex Sea models are widely praised for their excellent build quality, value for money, and comfortable wearability, with many appreciating the vintage-inspired designs and robust construction. Owners note the silicone straps are surprisingly comfortable and well-finished, and the Lumibrite lume is excellent. However, some find the 44.3mm size and thickness too large for smaller wrists, though others report the sizing as perfect. The 6R15 movement in some variants offers accuracy around +4 seconds per day with a 50-hour power reserve, while newer movements offer more. Some models are criticized for a bracelet width not matching the case size or a rudimentary clasp for their price point. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its impressive case work and finishing at its price point.

At a glance

13 of 29 specs differ
Diameter
Odyssey Bronze45.5mm
Prospex Sea41.3mm
Power Reserve
Odyssey Bronze
Prospex Sea72h
Water Resistance
Odyssey Bronze500m
Prospex Sea300m
MSRP
Odyssey Bronze$649
Prospex Sea$1,100

Full specifications

Case

6 specs
Diameter
45.5mm
41.3mm
Thickness
16.8mm
12.5mm
Lug-to-Lug
52mm
48.2mm
Lug Width
22mm
20mm
Material
Bronze
Stainless Steel
Water Resistance
500m
300m

Crystal & Dial

3 specs
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
Auburn
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Seiko NH35
Seiko 6R55
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$649
$1,100
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