Side by side

Gruppo Gamma Vanguard SteelvsSugess Seestern S430 Titanium Diver

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

Vanguard Steel
Gruppo GammaVanguard Steel
MSRP $790
Seestern S430 Titanium Diver
SugessSeestern S430 Titanium Diver
MSRP $299

At a glance

15 of 29 specs differ
Diameter
Vanguard Steel42mm
Seestern S430 Titanium Diver40mm
Power Reserve
Vanguard Steel42h
Seestern S430 Titanium Diver40h
Water Resistance
Vanguard Steel100m
Seestern S430 Titanium Diver200m
MSRP
Vanguard Steel$790
Seestern S430 Titanium Diver$299

Full specifications

Case

7 specs
Category
Diver
Diameter
42mm
40mm
Thickness
12.6mm
12.5mm
Lug-to-Lug
49.5mm
46mm
Lug Width
22mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
100m
200m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Forged Carbon
Blue
Lume
Super-LumiNova
Tritium

Movement

4 specs
Caliber
Miyota 9039
Seiko NH35
Beat Rate
28,800 vph
3 vph
Power Reserve
42h
40h
Complications
None
GMT, Chronograph, Moonphase, Date

Pricing

1 specs
MSRP
$790
$299

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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.

Sugess Seestern S430 Titanium Diver

Owners widely praise the Sugess Seestern S430 Titanium Diver for its genuine titanium construction, making it extremely light and comfortable at 92 grams on a 6.7-inch wrist. The ceramic bezel is described as fantastic and mesmerizing to use, and the brushed finishing is noted as nice. The watch features an NH38 movement, which is appreciated for its lack of ghost date functionality. However, some owners find the price comparable to competitors and have noted issues with the clasp's fit, with some finding the existing holes insufficient and the rotating arm needing to bend. The crown unscrewing is not smooth, and the bezel action is described as gritty with uneven resistance. One owner reported a crown tube failure on a V1 model. Overall, owners rate the Sugess Seestern S430 Titanium Diver highly for its lightweight titanium build and excellent ceramic bezel, despite some concerns regarding the clasp design.

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