Side by side

Boldr Odyssey BronzevsSeiko Prospex Sea

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

Odyssey Bronze
BoldrOdyssey Bronze
MSRP $649
Prospex Sea
SeikoProspex Sea
MSRP $625

At a glance

12 of 29 specs differ
Diameter
Odyssey Bronze45.5mm
Prospex Sea43.8mm
Power Reserve
Odyssey Bronze40h
Prospex Sea41h
Water Resistance
Odyssey Bronze500m
Prospex Sea200m
MSRP
Odyssey Bronze$649
Prospex Sea$625

Full specifications

Case

5 specs
Diameter
45.5mm
43.8mm
Thickness
16.8mm
12.8mm
Lug-to-Lug
52mm
48.7mm
Material
Bronze
Stainless Steel
Water Resistance
500m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
Seiko NH35
4R35
Power Reserve
40h
41h
Jewels
25
23

Pricing

1 specs
MSRP
$649
$625

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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.

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

The Seiko Prospex Sea is widely praised for its excellent value, solid build quality, and comfortable wearability, with many models featuring impressive lume and attractive dials. Owners and reviewers highlight the modern upgrades on classic designs, such as drilled lugs and reliable movements with hacking and hand-winding capabilities. Some models are noted for their refined case finishing and scratch resistance. Accuracy figures vary, with one owner reporting approximately 4 seconds fast per day, while others find the movements offer good performance for the price. Concerns raised by owners and reviewers include clasps that can feel generic or cheap, and lug widths that some find disproportionate to the case size on certain models. The thickness and weight of some Prospex Sea watches are also noted as substantial. The GMT function on specific models is considered secondary and difficult to read for true travel purposes.

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