Side by side

Boldr Odyssey FreedivervsGrand Seiko SBGM221

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

Odyssey Freediver
BoldrOdyssey Freediver
MSRP $649
SBGM221
Grand SeikoSBGM221
MSRP $5,400

At a glance

11 of 29 specs differ
Diameter
Odyssey Freediver40mm
SBGM22139.5mm
Power Reserve
Odyssey Freediver40h
SBGM22172h
Water Resistance
Odyssey Freediver300m
SBGM22130m
MSRP
Odyssey Freediver$649
SBGM221$5,400

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
40mm
39.5mm
Thickness
14.2mm
13.7mm
Lug-to-Lug
48mm
46.9mm
Lug Width
20mm
19mm
Water Resistance
300m
30m

Crystal & Dial

2 specs
Dial Color
202
Black
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Cal
9S66
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$649
$5,400

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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.

Grand Seiko SBGM221

Grand Seiko SBGM221 is widely praised for its exceptional dial finish, highly polished hands and indices, and elegant design. Owners consistently highlight the stunning craftsmanship, with specific mention of the up to 11 hand-polished facets on its rectangular markers. The reliable 9S66 movement is noted for its 72-hour power reserve and true GMT functionality, tested beyond Chronometer specifications. Some enthusiasts desire a bidirectional 24-hour bezel, which the Grand Seiko SBGM221 lacks, and its 13.7mm thickness and 19mm lug width are noted as potential limitations. On balance, owners rate the Grand Seiko SBGM221 highly for its exquisite finishing and elegant, comfortable design.

From video reviewers

The SBGM221 is praised for its value within the Grand Seiko lineup. The lug width is cited as a weakness.

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