Side by side

Boldr Odyssey BronzevsSeiko Prospex Sea 1968 Heritage Diver's GMT

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

Odyssey Bronze
BoldrOdyssey Bronze
MSRP $649
Prospex Sea 1968 Heritage Diver's GMT
SeikoProspex Sea 1968 Heritage Diver's GMT
MSRP $1,500

At a glance

13 of 29 specs differ
Diameter
Odyssey Bronze45.5mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
Odyssey Bronze40h
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
Odyssey Bronze500m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
Odyssey Bronze$649
Prospex Sea 1968 Heritage Diver's GMT$1,500

Full specifications

Case

6 specs
Diameter
45.5mm
42mm
Thickness
16.8mm
12.9mm
Lug-to-Lug
52mm
48.6mm
Lug Width
22mm
20mm
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
6R54
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$649
$1,500

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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 Sea 1968 Heritage Diver's GMT

The Seiko Prospex Sea 1968 Heritage Diver's GMT is widely praised for its build quality, finishing, and comfortable wearability, offering good value for its price point. Owners and reviewers highlight the attractive silver/white sunray dial, blue ceramic bezel, and the premium feel of the improved bracelet clasp with excellent micro-adjustment. The Caliber 6R54 movement provides a 72-hour power reserve, and real-world accuracy often exceeds its stated range of +25 to -15 seconds per day, with some owners reporting figures around +3 to +5 seconds per day. However, the caller-style GMT functionality is a point of contention for some, who find the GMT scale difficult to read and prefer a flyer GMT at this price. Some also find the crown position at 4 o'clock undesirable, and a few note a lack of dial contrast or illegibility of the inner bezel.

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