Side by side

Gruppo Gamma Peacemaker BronzevsSeiko Prospex SPEEDTIMER

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

Peacemaker Bronze
Gruppo GammaPeacemaker Bronze
MSRP $990
Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $725

At a glance

15 of 29 specs differ
Diameter
Peacemaker Bronze43mm
Prospex SPEEDTIMER39mm
Power Reserve
Peacemaker Bronze42h
Prospex SPEEDTIMER40h
Water Resistance
Peacemaker Bronze200m
Prospex SPEEDTIMER100m
MSRP
Peacemaker Bronze$990
Prospex SPEEDTIMER$725

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
43mm
39mm
Thickness
13mm
13.3mm
Lug-to-Lug
52.5mm
45.5mm
Lug Width
24mm
20mm
Material
Bronze
Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
Fume Green
Black
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
ETA 2824-2
V192
Type
Automatic
Quartz
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$990
$725

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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.

Seiko Prospex SPEEDTIMER

Owners widely praise the Seiko Prospex SPEEDTIMER's gorgeous, unique red dial and vintage-inspired design, finding it a sturdy and reliable everyday watch. Some owners, however, question the value proposition at around $700 for a solar quartz model, citing its 13-15mm thickness and the 24-hour subdial as drawbacks. Accuracy figures vary, with one owner reporting +1/+2 seconds per day, while another notes the V192 solar movement offers a six-month power reserve. Overall, owners and reviewers find the Seiko Prospex SPEEDTIMER a capable and versatile chronograph, with its striking dial and everyday wearability being the most frequently cited strengths.

From video reviewers

The Seiko Prospex SPEEDTIMER's solar movement provides reliable power without battery replacements and accurate timekeeping, with a claimed accuracy of ±15 seconds per month. A notable trade-off is the watch's slightly thicker profile and somewhat lacking lume brightness. Reviewers disagree on whether the bezel action is smooth and clicky, with one reviewer praising it and the other not mentioning it.

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