Side by side

Gruppo Gamma Peacemaker BronzevsSeestern S456 GMT

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

Peacemaker Bronze
Gruppo GammaPeacemaker Bronze
MSRP $990
S456 GMT
SeesternS456 GMT
MSRP $299
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.

Seestern S456 GMT

Owners widely praise the Seestern S456 GMT for its exceptional value and finishing that exceeds expectations, with one owner noting its accuracy surpasses that of their Seiko 5. The dial displays a pearl-like rainbow effect. Some owners would prefer a bidirectional bezel over the current unidirectional one. The Seestern S456 GMT features an NH34 movement, a 39.5mm case, sapphire crystal, and an adjustable clasp. On balance, owners rate the Seestern S456 GMT highly for its impressive finishing and value proposition at its price point.

From video reviewers

The watch features stunning, detailed finishing that is difficult to top. Reviewers did not reach a consensus on any weaknesses.

At a glance

15 of 29 specs differ
Diameter
Peacemaker Bronze43mm
S456 GMT41mm
Power Reserve
Peacemaker Bronze42h
S456 GMT41hh
Water Resistance
Peacemaker Bronze200m
S456 GMT200m
MSRP
Peacemaker Bronze$990
S456 GMT$299

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
43mm
41mm
Lug-to-Lug
52.5mm
49mm
Lug Width
24mm
20mm
Material
Bronze
316L Stainless Steel
Finish
Brushed and polished
Brushed + Polished

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Fume Green
Sunray style, applied and Diamond cut Indices, C1 lume
Lume
Super-LumiNova
C1

Movement

5 specs
Caliber
ETA 2824-2
Seiko NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
42h
41hh
Jewels
25
24
Complications
None
GMT

Pricing

1 specs
MSRP
$990
$299
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