Side by side

Bremont Altitude Perpetual Calendar GMTvsChristopher Ward C63 Sealander Rocks

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
C63 Sealander Rocks
Christopher WardC63 Sealander Rocks
MSRP $1,350

At a glance

14 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
C63 Sealander Rocks40mm
Power Reserve
Altitude Perpetual Calendar GMT40h
C63 Sealander Rocks38h
Water Resistance
Altitude Perpetual Calendar GMT
C63 Sealander Rocks150m
MSRP
Altitude Perpetual Calendar GMT$38,450
C63 Sealander Rocks$1,350

Full specifications

Case

7 specs
Category
GMT
Sport
Diameter
42mm
40mm
Thickness
12.65mm
11.05mm
Lug-to-Lug
42.87mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
150m

Crystal & Dial

2 specs
Dial Color
Blue
Yellow
Lume
None
SLN X1 BL C1

Movement

4 specs
Caliber
SW200-1
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
38h
Jewels
25
26

Pricing

1 specs
MSRP
$38,450
$1,350

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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 C63 Sealander Rocks

Owners widely praise the Christopher Ward C63 Sealander Rocks for its excellent wearability, comfort, and build quality for the price, with many highlighting its refined dial and versatile design. The 36mm case is noted as wearing well on smaller wrists, and the robust bracelet offers on-the-fly adjustment. Some owners find the branding prominent or the dial too white, and one owner experienced difficulty adjusting the time on their 36mm model. The Sellita SW200-1 movement provides a 38-hour power reserve. On balance, owners and reviewers rate the Christopher Ward C63 Sealander Rocks highly for its exceptional wearability and refined dial at its price point.

From video reviewers

The dial finishing and unique stone dial options are strong points. The 36mm case size is a shared feature. Reviewers questioned its value proposition against other watches under $1,000.

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