Side by side

Gruppo Gamma Vanguard SteelvsAstor + Banks Sea Ranger M2

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

Vanguard Steel
Gruppo GammaVanguard Steel
MSRP $790
Sea Ranger M2
Astor + BanksSea Ranger M2
MSRP $1,149

At a glance

13 of 29 specs differ
Diameter
Vanguard Steel42mm
Sea Ranger M240mm
Power Reserve
Vanguard Steel42h
Sea Ranger M240h
Water Resistance
Vanguard Steel100m
Sea Ranger M2300m
MSRP
Vanguard Steel$790
Sea Ranger M2$1,149

Full specifications

Case

7 specs
Category
Diver
Diameter
42mm
40mm
Thickness
12.6mm
12.5mm
Lug-to-Lug
49.5mm
45.5mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

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

Movement

2 specs
Caliber
Miyota 9039
La Joux-Perret G100
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$790
$1,149

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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.

Astor + Banks Sea Ranger M2

The Astor + Banks Sea Ranger M2 is widely praised for its balanced design, excellent legibility, and strong GADA (go-anywhere, do-anything) capabilities, featuring 300m water resistance and a scratch-resistant coating. Reviewers note its comfortable 40mm case size and good lume, though one source describes it as good but not great. The movement is a Sellita SW200 adjusted by the brand, with accuracy reported around ±8 seconds per day. The pre-order price is $650, with a standard price of $850. On balance, reviewers find the Astor + Banks Sea Ranger M2 to be a compelling option due to its functional design and robust specifications.

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