Side by side

Gruppo Gamma Peacemaker BronzevsSeiko Monster

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

Peacemaker Bronze
Gruppo GammaPeacemaker Bronze
MSRP $990
Monster
SeikoMonster
MSRP $550

At a glance

13 of 29 specs differ
Diameter
Peacemaker Bronze43mm
Monster42.4mm
Power Reserve
Peacemaker Bronze42h
Monster41h
Water Resistance
Peacemaker Bronze200m
Monster200m
MSRP
Peacemaker Bronze$990
Monster$550

Full specifications

Case

5 specs
Diameter
43mm
42.4mm
Thickness
13mm
13.4mm
Lug-to-Lug
52.5mm
49.4mm
Lug Width
24mm
20mm
Material
Bronze
Stainless Steel

Crystal & Dial

4 specs
Crystal
Sapphire
Hardlex
AR Coating
Yes
Inner
Dial Color
Fume Green
Black
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
ETA 2824-2
4R36
Power Reserve
42h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$990
$550

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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 Monster

Owners widely praise the Seiko Prospex Sea for its excellent value, robust build, and superb lume, with many noting its comfortable wearability. Reviewers consistently highlight its impressive finishing and classic dive watch design, often comparing it favorably to older models. Some owners find the size substantial, with one noting it as big, thick, and heavy on a 6.5-inch wrist, while others find it perfect. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its exceptional value and robust, classic dive watch design.

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