Side by side

Gruppo Gamma Peacemaker BronzevsSpinnaker Bradner

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

Peacemaker Bronze
Gruppo GammaPeacemaker Bronze
MSRP $990
Bradner
SpinnakerBradner
MSRP $179

At a glance

12 of 29 specs differ
Diameter
Peacemaker Bronze43mm
Bradner42mm
Power Reserve
Peacemaker Bronze42h
Bradner40h
Water Resistance
Peacemaker Bronze200m
Bradner180m
MSRP
Peacemaker Bronze$990
Bradner$179

Full specifications

Case

6 specs
Diameter
43mm
42mm
Thickness
13mm
15mm
Lug-to-Lug
52.5mm
50mm
Lug Width
24mm
22mm
Material
Bronze
316L Stainless Steel
Water Resistance
200m
180m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Fume Green
Tidal Blue
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
ETA 2824-2
SII NH35A
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$990
$179

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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 Peacemaker Bronze

Owners widely praise the Gruppo Gamma Peacemaker Bronze for its strong vintage aesthetic, featuring attractive sandwich dials and high-domed or box-shaped sapphire crystals. The bronze case is noted for developing patina and the watch is generally considered a good value. Accuracy figures vary, with one report of approximately +10 seconds per day and others stating +/-12 seconds per day. Power reserves range from 38 to 45 hours depending on the movement. One owner describes the winding action as a "dream." On balance, owners consider the Gruppo Gamma Peacemaker Bronze a well-built watch offering significant vintage appeal and value.

Spinnaker Bradner

Owners widely praise the Spinnaker Bradner's vibrant dials and excellent lume on indices and bezel, with one owner noting comfortable wearability on a 7-inch wrist. Reviewers flag imprecise finishing on the minute ring and an inner bezel crown that rotates too easily, while some owners report the internal rotating bezel does not stay in position. The watch features a Seiko NH35 movement with a 41-hour power reserve and is priced around $390-$430 USD. On balance, owners and reviewers find the Spinnaker Bradner to be a fun, affordable diver, with its vibrant dials and strong lume being key selling points.

From video reviewers

The Spinnaker Atlantic Blue's reliable Seiko NH35 automatic movement is a key strength. The watch's lume performance is somewhat lacking, which may be a trade-off for some buyers. Reviewers disagree on the watch's bezel action, with one reviewer praising it as smooth and precise, while the other two do not mention it.

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