Side by side

Gruppo Gamma Vanguard SteelvsSpinnaker Hull

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

Vanguard Steel
Gruppo GammaVanguard Steel
MSRP $790
Hull
SpinnakerHull
MSRP $159
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.

Spinnaker Hull

The Spinnaker Hull is widely praised by owners for its textured or deep sandwich dials, bold cushion case design, and vintage charm, with one owner finding its jubilee bracelet superior to Seiko's. The meca-quartz movement is a common feature, and the watch offers 100m water resistance. However, the 24-hour subdial is considered functionally illogical and visually unappealing by one owner, and the mineral crystal is noted as a drawback compared to sapphire. On balance, owners rate the Spinnaker Hull highly for its significant style and value at its budget price point.

From video reviewers

The watch's lume is a strong point. Reviewers noted the absence of a sapphire crystal as a drawback.

At a glance

10 of 29 specs differ
Diameter
Vanguard Steel42mm
Hull42mm
Power Reserve
Vanguard Steel42h
Hull40h
Water Resistance
Vanguard Steel100m
Hull100m
MSRP
Vanguard Steel$790
Hull$159

Full specifications

Case

4 specs
Category
Diver
Thickness
12.6mm
15mm
Lug-to-Lug
49.5mm
47.5mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Forged Carbon
Volcanic Black
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Miyota 9039
SII NH35A
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$790
$159
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