Side by side

Bremont Altitude Perpetual Calendar GMTvsChristopher Ward C1 Moonphase 40

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
C1 Moonphase 40
Christopher WardC1 Moonphase 40
MSRP $3,050

At a glance

16 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
C1 Moonphase 4047.9mm
Power Reserve
Altitude Perpetual Calendar GMT40h
C1 Moonphase 4038h
Water Resistance
Altitude Perpetual Calendar GMT
C1 Moonphase 4030m
MSRP
Altitude Perpetual Calendar GMT$38,450
C1 Moonphase 40$3,050

Full specifications

Case

8 specs
Category
GMT
Diameter
42mm
47.9mm
Thickness
12.65mm
13.3mm
Lug-to-Lug
47.9mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Brushed + Polished
Water Resistance
30m

Crystal & Dial

2 specs
AR Coating
Inner
Underside
Lume
None
SLN X1 WL C1

Movement

5 specs
Caliber
SW220
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
38h
Jewels
25
26
Complications
None
Moonphase, Day-date

Pricing

1 specs
MSRP
$38,450
$3,050

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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.

Christopher Ward C1 Moonphase 40

Owners widely praise the Christopher Ward C1 Moonphase 40 for its captivating aventurine dial and photorealistic, luminescent moon, with many receiving compliments and finding it a stylish, lightweight, and comfortable daily wear. The in-house Calibre JJ04 module's 128-year moon tracking is a notable feature. However, multiple owners find the lack of dial indices and bezel markings, along with unlumed hands, makes precise time-telling difficult, with some describing it as more of a jewelry piece than a functional timepiece. One owner experienced a movement issue requiring warranty repair within the first year, and another noted frustration with customer service. The 40.5mm case size is considered sporty by some, and the design is described as "shouty" by a few. On balance, owners highly rate the Christopher Ward C1 Moonphase 40 for its stunning moonphase display and aesthetic appeal at its price point, despite legibility concerns.

From video reviewers

The aventurine dial and Globolight lume are praised for their realistic starry night effect. The 3 ATM water resistance is a significant limitation.

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