Side by side

Boldr Odyssey BronzevsSeiko Prospex SPEEDTIMER Mechanical Chronograph

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

Odyssey Bronze
BoldrOdyssey Bronze
MSRP $649

At a glance

15 of 29 specs differ
Diameter
Odyssey Bronze45.5mm
Prospex SPEEDTIMER Mechanical Chronograph42mm
Power Reserve
Odyssey Bronze40h
Prospex SPEEDTIMER Mechanical Chronograph45h
Water Resistance
Odyssey Bronze500m
Prospex SPEEDTIMER Mechanical Chronograph100m
MSRP
Odyssey Bronze$649
Prospex SPEEDTIMER Mechanical Chronograph$2,500

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
45.5mm
42mm
Thickness
16.8mm
14.6mm
Lug-to-Lug
52mm
49.5mm
Lug Width
22mm
20mm
Material
Bronze
Stainless Steel
Water Resistance
500m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
Auburn
Black
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Seiko NH35
8R48
Power Reserve
40h
45h
Jewels
25
34

Pricing

1 specs
MSRP
$649
$2,500

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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 SPEEDTIMER Mechanical Chronograph

The Seiko Prospex SPEEDTIMER Mechanical Chronograph is praised for its handsome, heritage-inspired design with a clean, balanced dial and an external tachymeter bezel. Reviewers highlight the upgraded case and bracelet, noting improved comfort and good value for a well-designed chronograph with an in-house movement. The caliber 8R48 movement features a vertical clutch and column wheel with MEMS technology for durability and precision. Points to consider include the 4:30 date window and a 14.6mm thickness, while the 45-hour power reserve is noted as an area for potential improvement. On balance, reviewers find the Seiko Prospex SPEEDTIMER Mechanical Chronograph to be a solid offering with good value, particularly for its design and in-house movement.

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