Side by side

HELM MiyakovsGruppo Gamma Field III GMT

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

Miyako
HELMMiyako
MSRP $375
Field III GMT
Gruppo GammaField III GMT
MSRP $459

At a glance

10 of 29 specs differ
Diameter
Miyako40mm
Field III GMT40mm
Power Reserve
Miyako42h
Field III GMT41h
Water Resistance
Miyako200m
Field III GMT200m
MSRP
Miyako$375
Field III GMT$459

Full specifications

Case

3 specs
Category
Diver
GMT
Thickness
13.75mm
14mm
Lug-to-Lug
47mm
48.5mm

Crystal & Dial

2 specs
Crystal Shape
Double-Domed
Flat
Dial Color
Gray
Black

Movement

4 specs
Caliber
Seiko Instruments NH38A
Power Reserve
42h
41h
Jewels
24
25
Complications
None
GMT

Pricing

1 specs
MSRP
$375
$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.

HELM Miyako

HELM Miyako owners widely praise its exceptional value and quality, with multiple reports highlighting its stunning appearance and dial details. The watch is noted for its excellent accuracy, with figures around +1.5 to +2 seconds per day. One owner found the HELM Miyako to be tough and versatile, fitting well on a 6.6-inch wrist. Overall, owners consider the HELM Miyako an amazing value and a great watch, worth the wait for its availability.

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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