Side by side

Gruppo Gamma Field IIIvsLongines HYDROCONQUEST GMT

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

Field III
Gruppo GammaField III
MSRP $439
HYDROCONQUEST GMT
LonginesHYDROCONQUEST GMT
MSRP $3,350

At a glance

12 of 29 specs differ
Diameter
Field III40mm
HYDROCONQUEST GMT41mm
Power Reserve
Field III41h
HYDROCONQUEST GMT40h
Water Resistance
Field III200m
HYDROCONQUEST GMT300m
MSRP
Field III$439
HYDROCONQUEST GMT$3,350

Full specifications

Case

6 specs
Category
Field
Diver
Diameter
40mm
41mm
Thickness
14mm
12.9mm
Lug-to-Lug
48.5mm
49.4mm
Lug Width
22mm
21mm
Water Resistance
200m
300m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Black
Green
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Seiko Instruments NH38A
L844.5
Power Reserve
41h
40h

Pricing

1 specs
MSRP
$439
$3,350

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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.

Longines HYDROCONQUEST GMT

Owners widely praise the Longines HYDROCONQUEST GMT for its excellent finishing, smooth winding action, and overall value, with some finding its build quality and colorways superior to higher-priced competitors. Reviewers and owners alike note its robustness as a traveler's dive watch with a true GMT movement. Some owners find the round markers at 6 and 9 disrupt dial symmetry, and the GMT hour markers are described as tiny and difficult to read. The date wheel can be mismatched on certain dial colors, and the bracelet clasp is noted as sharp by one reviewer. While some owners wish for a smaller case size, others find the 41mm comfortable. The bezel action is flagged as having bounce-back by one owner, though the brushed finish effectively hides wear. Overall, owners and reviewers rate the Longines HYDROCONQUEST GMT highly for its robust build and excellent value proposition.

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