Side by side

Gruppo Gamma Field III GMTvsZelos Helmsman 3

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

Field III GMT
Gruppo GammaField III GMT
MSRP $459
Helmsman 3
ZelosHelmsman 3
MSRP $529

At a glance

13 of 29 specs differ
Diameter
Field III GMT40mm
Helmsman 340mm
Power Reserve
Field III GMT41h
Helmsman 340h
Water Resistance
Field III GMT200m
Helmsman 3200m
MSRP
Field III GMT$459
Helmsman 3$529

Full specifications

Case

5 specs
Category
GMT
Diver
Thickness
14mm
11.5mm
Lug-to-Lug
48.5mm
40mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Black
SS - Frost
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Seiko Instruments NH38A
Miyota 9015
Power Reserve
41h
40h
Complications
GMT
None

Pricing

1 specs
MSRP
$459
$529

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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 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.

Zelos Helmsman 3

Owners widely praise the Zelos Helmsman 3 for its exceptional finishing and polishing on the titanium case, with some noting it feels nicer than previous models. The unique Titanium Crystalline Dial and Damascus Titanium dial are frequently highlighted as aesthetically pleasing and head-turning features, especially considering the price point. The brushed beads of rice bracelet is described as fitting well, and the on-the-fly clasp is considered amazing. Lume is also noted as great, with lumed crowns being a positive observation. However, some owners report the watch can feel top-heavy with sharp edges, making it uncertain as a daily driver for some. The meteorite bezel is seen by one owner as not adding significant value, and the stock strap's keepers and stitching were considered to detract from the watch's appearance.

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