Side by side

Bremont S300vsChristopher Ward C63 Sealander Extreme GMT

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

S300
BremontS300
MSRP $3,795
C63 Sealander Extreme GMT
Christopher WardC63 Sealander Extreme GMT
MSRP $1,850

At a glance

15 of 29 specs differ
Diameter
S30040mm
C63 Sealander Extreme GMT48mm
Power Reserve
S30040h
C63 Sealander Extreme GMT56h
Water Resistance
S300300m
C63 Sealander Extreme GMT150m
MSRP
S300$3,795
C63 Sealander Extreme GMT$1,850

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
40mm
48mm
Thickness
12.05mm
Lug-to-Lug
48mm
Lug Width
22mm
Finish
Brushed and polished
Brushed + Bead-blasted + Sandblasted
Water Resistance
300m
150m

Crystal & Dial

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

Movement

4 specs
Caliber
BE-92AE
SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
56h
Complications
None
GMT, Moonphase, Day-date

Pricing

1 specs
MSRP
$3,795
$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 S300

Owners widely praise the Bremont S300 for its comfortable 40mm size, fitting well under a cuff, and its appealing dial and bezel color. The winding action is described as smooth, and timekeeping averages +3 seconds per day, with machining noted as being on par with higher-end brands. One owner suggests tapering the bracelet and adding a mixed brushing and polishing finish for improved dress-shirt wearability. However, some find its styling lacks uniqueness compared to competitors, and the approximately 49mm lug-to-lug measurement is considered unusually long and potentially ill-fitting on smaller wrists. Overall, owners rate the Bremont S300 highly for its wearability and finishing at its price point.

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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