Side by side

Gruppo Gamma Field III GMTvsLongines LEGEND DIVER 42

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
LEGEND DIVER 42
LonginesLEGEND DIVER 42
MSRP $2,850

At a glance

12 of 29 specs differ
Diameter
Field III GMT40mm
LEGEND DIVER 4242mm
Power Reserve
Field III GMT41h
LEGEND DIVER 4272h
Water Resistance
Field III GMT200m
LEGEND DIVER 42300m
MSRP
Field III GMT$459
LEGEND DIVER 42$2,850

Full specifications

Case

5 specs
Category
GMT
Diver
Diameter
40mm
42mm
Thickness
14mm
12.7mm
Lug-to-Lug
48.5mm
52.6mm
Water Resistance
200m
300m

Crystal & Dial

2 specs
AR Coating
Yes
Both sides
Dial Color
Black
Blue

Movement

4 specs
Caliber
Seiko Instruments NH38A
L888.5
Beat Rate
28,800 vph
25,200 vph
Power Reserve
41h
72h
Complications
GMT
None

Pricing

1 specs
MSRP
$459
$2,850

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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.

Longines LEGEND DIVER 42

Owners widely praise the Longines Legend Diver 42 for its appealing retro skin-diver aesthetic, excellent legibility, and functional inner bezel, with reviewers noting its strong value proposition below $2,500 and capability in shallow dives. Some owners find the blue dial pops in the sun and appreciate the quickset date. However, several owners report disappointment after seeing the watch in person, finding it underwhelming and lacking dial depth. Specific criticisms include original leather straps peeling easily, a clasp that scratches readily, dust getting on the dial, and lume that is not particularly strong or matching vintage charm. The 50mm lug-to-lug length is noted as potentially overwhelming for smaller wrists, and one owner experienced the minute hand scratching the hour hand. Accuracy figures are not consistently reported across sources.

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