Side by side

Gruppo Gamma Peacemaker BronzevsSpinnaker Spence 300

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

Peacemaker Bronze
Gruppo GammaPeacemaker Bronze
MSRP $990
Spence 300
SpinnakerSpence 300
MSRP $650

At a glance

12 of 29 specs differ
Diameter
Peacemaker Bronze43mm
Spence 30040mm
Power Reserve
Peacemaker Bronze42h
Spence 30040h
Water Resistance
Peacemaker Bronze200m
Spence 300300m
MSRP
Peacemaker Bronze$990
Spence 300$650

Full specifications

Case

6 specs
Diameter
43mm
40mm
Thickness
13mm
11.5mm
Lug-to-Lug
52.5mm
48mm
Lug Width
24mm
20mm
Material
Bronze
316L Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

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

Movement

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

Pricing

1 specs
MSRP
$990
$650

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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 Spence 300

The Spinnaker Spence 300 is widely praised for its slim 10.9mm case and 40mm diameter, offering a comfortable and uncommon thin diver design at its price point. Reviewers and owners highlight its value, especially below $350, and its blend of retro design with modern specifications, including a 300m depth rating and a fully indexed bezel. Some owners, however, find the dial printing and bracelet finishing to be less refined, with one noting the bracelet's male end links as a drawback. The consensus is that the Spinnaker Spence 300 is highly regarded for its exceptional value and wearable dimensions, making it a strong contender for an everyday sports watch.

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