Side by side

Boldr Odyssey FreedivervsSeiko Monster

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

Odyssey Freediver
BoldrOdyssey Freediver
MSRP $649
Monster
SeikoMonster
MSRP $550

At a glance

12 of 29 specs differ
Diameter
Odyssey Freediver40mm
Monster42.4mm
Power Reserve
Odyssey Freediver40h
Monster41h
Water Resistance
Odyssey Freediver300m
Monster200m
MSRP
Odyssey Freediver$649
Monster$550

Full specifications

Case

4 specs
Diameter
40mm
42.4mm
Thickness
14.2mm
13.4mm
Lug-to-Lug
48mm
49.4mm
Water Resistance
300m
200m

Crystal & Dial

4 specs
Crystal
Sapphire
Hardlex
AR Coating
Yes
Inner
Dial Color
202
Black
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Cal
4R36
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$649
$550

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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 Freediver

The Boldr Odyssey Freediver is praised for its bead-blasted steel case with polished bevels and a custom steel bracelet designed for wrist curvature. Reviewers note its strong legibility, applied details, and vintage-inspired date window on fresh dial colors. The 44mm case is surgical-grade steel with a brushed finish and angular lugs, water-resistant to 300 meters. It houses a Miyota 9075 movement with a jumping local hour function. On balance, reviewers highlight the Boldr Odyssey Freediver's thoughtful case finishing and functional movement with a local hour complication.

Seiko Monster

Owners widely praise the Seiko Prospex Sea for its excellent value, robust build, and superb lume, with many noting its comfortable wearability. Reviewers consistently highlight its impressive finishing and classic dive watch design, often comparing it favorably to older models. Some owners find the size substantial, with one noting it as big, thick, and heavy on a 6.5-inch wrist, while others find it perfect. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its exceptional value and robust, classic dive watch design.

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