Side by side

Gruppo Gamma Vanguard SteelvsBoldr Odyssey Freediver

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

Vanguard Steel
Gruppo GammaVanguard Steel
MSRP $790
Odyssey Freediver
BoldrOdyssey Freediver
MSRP $649

At a glance

10 of 29 specs differ
Diameter
Vanguard Steel42mm
Odyssey Freediver40mm
Power Reserve
Vanguard Steel42h
Odyssey Freediver40h
Water Resistance
Vanguard Steel100m
Odyssey Freediver300m
MSRP
Vanguard Steel$790
Odyssey Freediver$649

Full specifications

Case

6 specs
Category
Diver
Diameter
42mm
40mm
Thickness
12.6mm
14.2mm
Lug-to-Lug
49.5mm
48mm
Lug Width
22mm
20mm
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Forged Carbon
202

Movement

2 specs
Caliber
Miyota 9039
Cal
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$790
$649

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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.

Gruppo Gamma Vanguard Steel

The Gruppo Gamma Vanguard Steel is praised for its aged steel case and cream sandwich dial. However, some owners dislike the distorted sapphire crystal and the absence of minute markers, with one noting difficulty in replacing the crystal due to hand fitment. The watch features a Miyota 9039 movement with a 42-hour power reserve and an accuracy range of -10 to +30 seconds per day, and is offered with two strap options. On balance, owners value the Gruppo Gamma Vanguard Steel for its distinctive aged aesthetic and dial design, despite some reservations about the crystal.

From video reviewers

Movement accuracy is a notable strength, with one reviewer noting a -1.8 second per day deviation after initial testing. A weakness is the substantial price hike for the re-release model, which raises questions about whether the upgrades justify the cost. Reviewers disagree on the watch's originality, with one calling it "decidedly derivative" and the other not mentioning this aspect.

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.

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