Side by side

Gruppo Gamma Field III GMT DatevsZelos Comet 39

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
Comet 39
ZelosComet 39
MSRP $2,499

At a glance

16 of 29 specs differ
Diameter
Field III GMT Date40mm
Comet 3939mm
Power Reserve
Field III GMT Date41h
Comet 3940h
Water Resistance
Field III GMT Date200m
Comet 3950m
MSRP
Field III GMT Date$459
Comet 39$2,499

Full specifications

Case

7 specs
Category
GMT
Dress
Diameter
40mm
39mm
Thickness
14mm
7.6mm
Lug-to-Lug
48.5mm
39mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
50m

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Black
Tantalum LE
Lume
Super-LumiNova
None

Movement

4 specs
Caliber
Seiko Instruments NH38A
ETA/Peseux 7001
Type
Automatic
Manual
Power Reserve
41h
40h
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$459
$2,499

Follow this matchup

Get a note when Gruppo Gamma Field III GMT Date vs Zelos Comet 39 gets more votes, a community discussion, or a price drop. No account needed.

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 Comet 39

Owners widely praise the Zelos Comet 39 for its wearable 39mm size, thin profile under 10mm thanks to its manual-wind Sellita SW215 movement, and its captivating dial with a deep starburst effect. The winding action is described as a joy, and the watch is considered a stunner for its price, blending modern and vintage aesthetics. Some owners note frustration with Zelos's limited production runs leading to quick sell-outs. One owner found the logo childlike, while another experienced strap-rubbing issues with the short lugs, which were resolved with a Milanese bracelet. Overall, owners and reviewers rate the Zelos Comet 39 highly for its excellent value and striking dial design.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.