Side by side

Gruppo Gamma Field III GMT DatevsZelos Helica

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

Field III GMT Date
Gruppo GammaField III GMT Date
MSRP $459
Helica
ZelosHelica
MSRP $499

At a glance

14 of 29 specs differ
Diameter
Field III GMT Date40mm
Helica39mm
Power Reserve
Field III GMT Date41h
Helica40h
Water Resistance
Field III GMT Date200m
Helica100m
MSRP
Field III GMT Date$459
Helica$499

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
40mm
39mm
Thickness
14mm
10.5mm
Lug-to-Lug
48.5mm
39mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Black
39 - Wave MOP
Lume
Super-LumiNova
None

Movement

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

Pricing

1 specs
MSRP
$459
$499

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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 Date

Owners widely praise the Gruppo Gamma Field III GMT Date for its awesome looks, quality, and good value. The watch features a 40mm brushed 316L stainless steel case, box sapphire crystal, and 200m water resistance, powered by a Seiko NH34A movement. Some reviewers note the NH34A movement's accuracy can range from -20~+40 seconds per day, though one reviewer reported +5 seconds per day with a regulated movement. The dial's dense layout with Arabic numerals can be overwhelming for some, and one owner found the size unsuitable for smaller wrists. On balance, owners rate the Gruppo Gamma Field III GMT Date highly for its impressive finishing and toolish design at its price point.

Zelos Helica

Owners widely praise the Zelos Helica for its stunning, often color-shifting dials, with specific mentions of the MoP, slate grey, 'Steel Blue', and red opal variants being particularly captivating and artful. The 39mm case size is noted as fitting well on smaller wrists, and the overall build quality and finishing for the price are frequently highlighted as impressive, with one owner calling it "a lot of watch for the price." Some owners appreciate the novel bracelet designs and full lume dials, while others find the bracelet and clasp edges sharp or the clasp lacking on-the-fly adjustment. Opinions on the date window are mixed, with one owner disliking it. The Zelos Helica Moonphase was considered cluttered by one owner, and its $1K USD price point was felt to be steep by another, though popular variants sold out rapidly. Overall, owners rate the Zelos Helica highly for its striking dial designs and impressive value proposition.

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