Side by side

Pinion Pure BronzevsGruppo Gamma Field III GMT

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

Pure Bronze
PinionPure Bronze
MSRP $1,715
Field III GMT
Gruppo GammaField III GMT
MSRP $459

At a glance

12 of 29 specs differ
Diameter
Pure Bronze38mm
Field III GMT40mm
Power Reserve
Pure Bronze45h
Field III GMT41h
Water Resistance
Pure Bronze100m
Field III GMT200m
MSRP
Pure Bronze$1,715
Field III GMT$459

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
38mm
40mm
Thickness
11mm
14mm
Lug-to-Lug
44mm
48.5mm
Lug Width
20mm
22mm
Material
Bronze
Stainless Steel
Water Resistance
100m
200m

Movement

4 specs
Caliber
Sellita SW261-1
Seiko Instruments NH38A
Type
Manual
Automatic
Power Reserve
45h
41h
Complications
None
GMT

Pricing

1 specs
MSRP
$1,715
$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.

Pinion Pure Bronze

The Pinion Pure Bronze is lauded for its refreshing design, featuring a beautiful layered dial with applied numerals and luminous indexes. Reviewers praise its satisfying manual-winding action from the Unitas 6498 movement, which offers a 45-hour power reserve. One reviewer suggested a satin finish for the crown to match the case back and buckle. Overall, reviewers rate the Pinion Pure Bronze highly for its unique bronze case that patinates over time and its clear, subtly finished dial.

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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