Side by side

Sugess Seestern S434 Pro DivervsGruppo Gamma Field III GMT

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

Seestern S434 Pro Diver
SugessSeestern S434 Pro Diver
MSRP $249
Field III GMT
Gruppo GammaField III GMT
MSRP $459

At a glance

14 of 29 specs differ
Diameter
Seestern S434 Pro Diver40mm
Field III GMT40mm
Power Reserve
Seestern S434 Pro Diver40h
Field III GMT41h
Water Resistance
Seestern S434 Pro Diver200m
Field III GMT200m
MSRP
Seestern S434 Pro Diver$249
Field III GMT$459

Full specifications

Case

6 specs
Category
Diver
GMT
Thickness
12mm
14mm
Lug-to-Lug
46mm
48.5mm
Lug Width
20mm
22mm
Material
Stainless Steel/Rose Gold
Stainless Steel
Caseback
Engraved
Solid

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
2 Salmon
Black
Lume
Super-LumiNova BGW9
Super-LumiNova

Movement

4 specs
Caliber
NH35
Seiko Instruments NH38A
Beat Rate
3 vph
28,800 vph
Power Reserve
40h
41h
Complications
GMT, Chronograph, Moonphase, Date
GMT

Pricing

1 specs
MSRP
$249
$459

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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.

Sugess Seestern S434 Pro Diver

Owners widely praise the Sugess Seestern S434 Pro Diver for its impressive finishing and craftsmanship at its price point, highlighting the applied indices that play with light, excellent BGW9 lume, and attractive color options. Specific positive notes include the domed sapphire crystal, short lug-to-lug, and on-the-fly clasp adjustment. However, some owners report quality control issues such as misaligned bezels or indices, while others with V2 models experience no such problems. Caveats include slight bezel back play, light AR coating on the crystal, and a clasp that could be smoother, with one owner desiring a color-matched date wheel. On balance, owners rate the Sugess Seestern S434 Pro Diver highly for its exceptional value and build quality, particularly the dial finishing and lume.

Gruppo Gamma Field III GMT

Owners praise the Gruppo Gamma Field III GMT for its look and value, with specific mentions of its sandwich dial and comfortable OEM straps. One owner notes incredible quality for the price across their Gruppo Gamma watches. The watch features a 40mm brushed stainless steel case, box sapphire crystal, and a Seiko NH34A movement with a 41-hour power reserve and stated accuracy of -20~+40 s/day. Some find the lack of a date window a drawback for a GMT, and question its differentiation from other NH34-powered watches. On balance, owners and reviewers find the Gruppo Gamma Field III GMT to be a good value with quality construction for its price point.

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