Side by side

Bremont Altitude ChronographvsChristopher Ward C63 Sealander Extreme GMT

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

Altitude Chronograph
BremontAltitude Chronograph
MSRP $6,300
C63 Sealander Extreme GMT
Christopher WardC63 Sealander Extreme GMT
MSRP $1,850

At a glance

16 of 29 specs differ
Diameter
Altitude Chronograph42mm
C63 Sealander Extreme GMT48mm
Power Reserve
Altitude Chronograph40h
C63 Sealander Extreme GMT56h
Water Resistance
Altitude Chronograph100m
C63 Sealander Extreme GMT150m
MSRP
Altitude Chronograph$6,300
C63 Sealander Extreme GMT$1,850

Full specifications

Case

8 specs
Category
Chronograph
GMT
Diameter
42mm
48mm
Thickness
14.7mm
12.05mm
Lug-to-Lug
48mm
Lug Width
14.7mm
22mm
Material
316L Stainless Steel (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
Silver
Black
Lume
None
SLN X1 BL / GL

Movement

4 specs
Caliber
BE-50AE
SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
56h
Complications
None
GMT, Moonphase, Day-date

Pricing

1 specs
MSRP
$6,300
$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 Altitude Chronograph

Owners note faint marks on the case sides and back, with minor wear and creasing on the strap. Reviewers flag the "DANGER EJECTION SEAT" wordmark on the dial as a divisive design choice that disrupts the MB series' usual stark tone, though they praise the improved smoothness and click precision of the Roto Click rotating bezel. On balance, the Bremont Altitude Chronograph elicits mixed reactions, with design elements like the dial text being a point of contention for reviewers.

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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