Side by side

Bremont Altitude Perpetual Calendar GMTvsChristopher Ward C1 Moonglow

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 Moonglow
Christopher WardC1 Moonglow
MSRP $3,050

At a glance

15 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
C1 Moonglow40mm
Power Reserve
Altitude Perpetual Calendar GMT40h
C1 Moonglow38h
Water Resistance
Altitude Perpetual Calendar GMT
C1 Moonglow30m
MSRP
Altitude Perpetual Calendar GMT$38,450
C1 Moonglow$3,050

Full specifications

Case

7 specs
Category
GMT
Diameter
42mm
40mm
Thickness
12.65mm
12.9mm
Lug-to-Lug
47.9mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
30m

Crystal & Dial

2 specs
Dial Color
Blue
Black
Lume
None
SLN X1 WL C1

Movement

5 specs
Caliber
SW220-1
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 Moonglow

The Christopher Ward C1 Moonglow is widely praised for its comfort, wearability at 40.5mm, and impressive lume, with owners calling it gorgeous, unique, and the coolest moonphase for the money. The moonphase complication is noted as constantly rotating, and one owner reports it accurate to within 1 day every 128 years. Some criticism exists regarding the dual moon phase display, where the inactive moon is visible through a translucent cover, and the lume on the date ring is less bright and fades faster than other luminous elements. One owner specifically loves the opaque blue moonphase dial of the LE Celestial Blue variant. Overall, owners and reviewers find the Christopher Ward C1 Moonglow a visually engaging and comfortable watch, particularly for its price point, with its unique dial design and strong lume being significant draws.

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