Side by side

Bremont Altitude Perpetual Calendar GMTvsCWC 6BB-WR

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
6BB-WR
CWC6BB-WR
MSRP $1,875

At a glance

9 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
6BB-WR42mm
Power Reserve
Altitude Perpetual Calendar GMT40h
6BB-WR40h
Water Resistance
Altitude Perpetual Calendar GMT
6BB-WR100m
MSRP
Altitude Perpetual Calendar GMT$38,450
6BB-WR$1,875

Full specifications

Case

6 specs
Category
GMT
Chronograph
Thickness
12.65mm
14.9mm
Lug-to-Lug
49mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
100m

Crystal & Dial

1 specs
Dial Color
Blue
CWC 6BB-WR

Movement

1 specs
Caliber
Sellita SW510

Pricing

1 specs
MSRP
$38,450
$1,875

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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.

CWC 6BB-WR

The CWC 6BB-WR is widely praised for its legible matte black dial, strong lume, and crisp chronograph operation. Owners and reviewers note its military heritage and rugged, confidence-inspiring build with a screw-down crown and pushers. The Sellita SW510 BH b automatic movement kept time within COSC range in testing. However, its 14.9mm thickness and 80g weight make it wear large, and the cam-lever movement lacks the satisfying click of a column wheel. Fixed bars limit strap options. On balance, owners and reviewers rate the CWC 6BB-WR highly for its legible dial and robust pilot chronograph design at its price point.

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