Side by side

Gruppo Gamma Peacemaker Bronze ManualvsSeiko Astron

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

Peacemaker Bronze Manual
Gruppo GammaPeacemaker Bronze Manual
MSRP $1,120
Astron
SeikoAstron
MSRP $2,500

At a glance

15 of 29 specs differ
Diameter
Peacemaker Bronze Manual43mm
Astron42mm
Power Reserve
Peacemaker Bronze Manual45h
Astron40h
Water Resistance
Peacemaker Bronze Manual200m
Astron100m
MSRP
Peacemaker Bronze Manual$1,120
Astron$2,500

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
43mm
42mm
Thickness
13mm
12.4mm
Lug-to-Lug
52.5mm
49.5mm
Lug Width
24mm
14mm
Material
Bronze
Titanium
Water Resistance
200m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Super-clear coating
Dial Color
Fume Green
Black
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
Sellita SW219-1
5X83
Type
Manual
Quartz
Power Reserve
45h
40h
Jewels
25
14

Pricing

1 specs
MSRP
$1,120
$2,500

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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 Manual

Owners praise the Gruppo Gamma Peacemaker Bronze Manual for its character, with specific mentions of the dégradé green sandwich dial, matte black sandwich dial, and box-shaped sapphire crystal. The hand-wound ETA 6497-1 movement is described as a "dream" to wind, and one owner notes the Miyota 8N33 movement keeps outstanding time. The watch offers 200m water resistance and comes on a rubber or custom rally strap. Accuracy figures range from outstanding to +/-12 seconds per day with Sellita SW219-1 or ETA 6497-1 movements. On balance, owners rate the Gruppo Gamma Peacemaker Bronze Manual highly for its unique dial designs and the satisfying winding experience of its manual-wind movements.

Seiko Astron

Owners widely praise the Seiko Astron for its spectacular technology, solar-powered quartz movement, and GPS time synchronization, making it a convenient grab-and-go option. The watch is frequently noted for its comfortable and lightweight titanium build, with some models featuring well-finished cases and robust ceramic bezels. Reviewers and owners alike highlight the dial's dynamic and shiny appearance, with textured hour markers and high-contrast edges. Accuracy is generally considered good, with figures ranging from +/- 15 seconds per month to within 1/2 second per day, easily corrected by GPS signal. However, some owners note that DST requires manual adjustment and that automatic time syncing depends on proximity to radio wave towers. The price point is a concern for some, who feel it competes with luxury watches without the same aesthetic appeal. One owner pointed out minimal lume and a slight misalignment of the minute hand on their model.

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