Side by side

Boldr Odyssey FreedivervsGrand Seiko SLGW004

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

Odyssey Freediver
BoldrOdyssey Freediver
MSRP $649
SLGW004
Grand SeikoSLGW004
MSRP $30,000

At a glance

13 of 29 specs differ
Diameter
Odyssey Freediver40mm
SLGW00438.8mm
Power Reserve
Odyssey Freediver40h
SLGW00480h
Water Resistance
Odyssey Freediver300m
SLGW00430m
MSRP
Odyssey Freediver$649
SLGW004$30,000

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
40mm
38.8mm
Thickness
14.2mm
10.4mm
Lug-to-Lug
48mm
43.7mm
Lug Width
20mm
19mm
Material
Stainless Steel
Gold
Water Resistance
300m
30m

Crystal & Dial

2 specs
Dial Color
202
Black
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Cal
9SA4
Type
Automatic
Manual
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$649
$30,000

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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 SLGW004

The Grand Seiko SLGW004 is praised for its elegant, faithful reissue design and impressive technical execution, featuring a new 9SA4 hi-beat manual-winding movement with an 80-hour power reserve and accuracy of -3/+5 seconds per day. Reviewers highlight the sharp case facets, double-signed dial, and beautifully decorated movement visible through the display caseback, along with an enjoyable winding experience. One reviewer noted a desire for better water resistance and expressed a dislike for the etched sapphire case back. Overall, reviewers rate the Grand Seiko SLGW004 highly for its elegant design and technically impressive movement.

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