Side by side

Gruppo Gamma Peacemaker Bronze ManualvsSeiko Prospex SPEEDTIMER Mechanical

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
Prospex SPEEDTIMER Mechanical
SeikoProspex SPEEDTIMER Mechanical
MSRP $995

At a glance

15 of 29 specs differ
Diameter
Peacemaker Bronze Manual43mm
Prospex SPEEDTIMER Mechanical39.5mm
Power Reserve
Peacemaker Bronze Manual45h
Prospex SPEEDTIMER Mechanical72h
Water Resistance
Peacemaker Bronze Manual200m
Prospex SPEEDTIMER Mechanical200m
MSRP
Peacemaker Bronze Manual$1,120
Prospex SPEEDTIMER Mechanical$995

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
43mm
39.5mm
Thickness
13mm
12mm
Lug-to-Lug
52.5mm
44.5mm
Lug Width
24mm
20mm
Material
Bronze
Stainless Steel

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

4 specs
Caliber
Sellita SW219-1
6R55
Type
Manual
Automatic
Power Reserve
45h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$1,120
$995

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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 Prospex SPEEDTIMER Mechanical

The Seiko Prospex SPEEDTIMER Mechanical is praised for its visually appealing design and comfortable wearability, with owners frequently using its chronograph function for daily tasks. Reviewers note its clean dial layout and LumiBrite treated hands and markers, and one source highlights the 72-hour power reserve of the 6R55 movement. However, some owners criticize its chronograph functionality and the 24-hour subdial. On balance, owners and reviewers rate the Seiko Prospex SPEEDTIMER Mechanical highly for its daily usability and refined aesthetics.

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