Side by side

Bremont Altitude Perpetual Calendar GMTvsPhoibos Voyager GMT

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
Voyager GMT
PhoibosVoyager GMT
MSRP $429

At a glance

11 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
Voyager GMT39mm
Power Reserve
Altitude Perpetual Calendar GMT40h
Voyager GMT40h
Water Resistance
Altitude Perpetual Calendar GMT
Voyager GMT100m
MSRP
Altitude Perpetual Calendar GMT$38,450
Voyager GMT$429

Full specifications

Case

6 specs
Diameter
42mm
39mm
Thickness
12.65mm
13.2mm
Lug-to-Lug
45mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
100m

Crystal & Dial

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

Movement

1 specs
Caliber
SII NH34

Pricing

1 specs
MSRP
$38,450
$429

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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.

Phoibos Voyager GMT

Owners widely praise the Phoibos Voyager GMT for its exceptional fit and finish, attractive dials that play with light, and outstanding lume. The bezel action is described as perfect with a grippy, smooth-threaded crown, and the bracelet clasp is noted as high quality for the price. Accuracy varies, with one owner reporting +1/+2 seconds per day and another around -6 seconds per day. Some owners find the 14.5mm thickness chunky and difficult to wear with long sleeves, and the 24-click bezel limits tracking to hour-offset time zones. The date color can blend into the dial, and the date wheel may show slight misalignment. On balance, owners rate the Phoibos Voyager GMT highly for its vibrant dials and excellent value.

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