Side by side

Bremont ALT1-WTvsChristopher Ward C63 Sealander Extreme GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

ALT1-WT
BremontALT1-WT
MSRP $5,900
C63 Sealander Extreme GMT
Christopher WardC63 Sealander Extreme GMT
MSRP $1,850

At a glance

15 of 29 specs differ
Diameter
ALT1-WT43mm
C63 Sealander Extreme GMT48mm
Power Reserve
ALT1-WT40h
C63 Sealander Extreme GMT56h
Water Resistance
ALT1-WT100m
C63 Sealander Extreme GMT150m
MSRP
ALT1-WT$5,900
C63 Sealander Extreme GMT$1,850

Full specifications

Case

7 specs
Category
World Timer
GMT
Diameter
43mm
48mm
Thickness
16mm
12.05mm
Lug-to-Lug
48mm
Material
Titanium (DLC coated)
Stainless Steel
Finish
Brushed and polished
Brushed + Bead-blasted + Sandblasted
Water Resistance
100m
150m

Crystal & Dial

3 specs
AR Coating
Inner
Underside
Dial Color
Blue
Black
Lume
None
SLN X1 BL / GL

Movement

4 specs
Caliber
BE-54AE
SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
56h
Complications
None
GMT, Moonphase, Day-date

Pricing

1 specs
MSRP
$5,900
$1,850

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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 ALT1-WT

The Bremont ALT1-WT is widely praised for its wearable 43mm size, legible dial with a globe background, and robust hardened steel case. Reviewers and owners highlight its well-executed world timer and chronograph functions, the satisfying click of its world timer bezel, and its value for money. Some find the hands can disappear in certain light conditions, and one owner notes a slight gap between the strap and case. The Bremont ALT1-WT uses a COSC-certified ETA/Valjoux 7750-based movement with a world timer module. On balance, owners and reviewers rate the Bremont ALT1-WT highly for its practical combination of chronograph and world-time functions in a well-built, wearable package.

Christopher Ward C63 Sealander Extreme GMT

Owners and reviewers widely praise the Christopher Ward C63 Sealander Extreme GMT for its excellent value, tactical and travel-ready design, and impressive lume, with the black dial being a collective favorite. Its 41mm brushed steel case is noted for comfort and wearability, complemented by a well-proportioned design and excellent legibility. The watch features a Sellita SW330-2 movement with a 56-hour power reserve and 150m water resistance, including a shock-absorbing mount. Some find its refinement slightly less than pricier alternatives, and its GMT movement is considered less practical than a flyer GMT. On balance, the Christopher Ward C63 Sealander Extreme GMT is highly regarded by owners and reviewers for its compelling blend of features, rugged design, and exceptional value.

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