Side by side

Gruppo Gamma Field IIIvsYema Navygraf Heritage

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

Field III
Gruppo GammaField III
MSRP $439
Navygraf Heritage
YemaNavygraf Heritage
MSRP $990

At a glance

12 of 29 specs differ
Diameter
Field III40mm
Navygraf Heritage39mm
Power Reserve
Field III41h
Navygraf Heritage40h
Water Resistance
Field III200m
Navygraf Heritage100m
MSRP
Field III$439
Navygraf Heritage$990

Full specifications

Case

7 specs
Category
Field
Diver
Diameter
40mm
39mm
Thickness
14mm
10.85mm
Lug-to-Lug
48.5mm
46mm
Lug Width
22mm
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Seiko Instruments NH38A
Sellita SW200
Power Reserve
41h
40h

Pricing

1 specs
MSRP
$439
$990

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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

The watch's 200m water resistance is a notable strength. A weakness is the use of the Seiko NH34A GMT movement, which might be considered less desirable than some other options due to its relatively lower grade compared to other movements in this price range.

Yema Navygraf Heritage

Owners widely praise the Yema Navygraf Heritage for its comfortable 39mm wearability and faithful 1970s reissue design, noting craftsmanship better than expected. Some owners report quality control issues including bezel free play and misalignment, while others find the bezel very tight to turn despite precise 120 clicks. The in-house MBP2000 movement is noted by some to be loud and run approximately +10 to +15 seconds per day. On balance, owners appreciate the Yema Navygraf Heritage for its retro aesthetic and comfortable sizing, with noted concerns around movement accuracy and bezel action.

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