Side by side

Spinnaker Bradner Pearl DivervsGruppo Gamma Field III GMT

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

Bradner Pearl Diver
SpinnakerBradner Pearl Diver
MSRP $370
Field III GMT
Gruppo GammaField III GMT
MSRP $459

At a glance

13 of 29 specs differ
Diameter
Bradner Pearl Diver42mm
Field III GMT40mm
Power Reserve
Bradner Pearl Diver40h
Field III GMT41h
Water Resistance
Bradner Pearl Diver180m
Field III GMT200m
MSRP
Bradner Pearl Diver$370
Field III GMT$459

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
42mm
40mm
Thickness
15mm
14mm
Lug-to-Lug
50mm
48.5mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
180m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
SII NH35A
Seiko Instruments NH38A
Power Reserve
40h
41h
Complications
None
GMT

Pricing

1 specs
MSRP
$370
$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.

Spinnaker Bradner Pearl Diver

The Spinnaker Bradner Pearl Diver is noted by owners as large on smaller wrists, with a 50mm lug-to-lug and 15mm height being a concern, though some find it acceptable with specific strap choices. Opinions on finishing quality vary, with one owner reporting issues like a poorly seated bezel and crooked indices. Overall, owners rate the Spinnaker Bradner Pearl Diver with mixed reviews regarding its size and finishing.

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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