Side by side

Bremont Altitude Perpetual Calendar GMTvsGruppo Gamma Peacemaker Bronze

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

Altitude Perpetual Calendar GMT
BremontAltitude Perpetual Calendar GMT
MSRP $38,450
Peacemaker Bronze
Gruppo GammaPeacemaker Bronze
MSRP $990

At a glance

13 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
Peacemaker Bronze43mm
Power Reserve
Altitude Perpetual Calendar GMT40h
Peacemaker Bronze42h
Water Resistance
Altitude Perpetual Calendar GMT
Peacemaker Bronze200m
MSRP
Altitude Perpetual Calendar GMT$38,450
Peacemaker Bronze$990

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
42mm
43mm
Thickness
12.65mm
13mm
Lug-to-Lug
52.5mm
Lug Width
22mm
24mm
Material
Titanium
Bronze
Water Resistance
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Blue
Fume Green
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
ETA 2824-2
Power Reserve
40h
42h

Pricing

1 specs
MSRP
$38,450
$990

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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.

Bremont Altitude Perpetual Calendar GMT

The Bremont Altitude Perpetual Calendar GMT is a highly exclusive piece, with one owner noting its $44,000 price point raises questions about its target audience and suggesting it may be a limited production showpiece. Reviewers highlight its refined Trip-Tick case, now featuring softer curves, a 42mm diameter, and a 12.23mm thickness in grade 2 titanium, though the oversized crowns are flagged as a potential drawback. Overall, owners and reviewers acknowledge the Bremont Altitude Perpetual Calendar GMT as a distinctive, albeit niche, high-complication offering with a notable case refinement.

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.

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