Side by side

Christopher Ward C63 Sealander Extreme GMTvsBoldr Odyssey Regatta

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

C63 Sealander Extreme GMT
Christopher WardC63 Sealander Extreme GMT
MSRP $1,850
Odyssey Regatta
BoldrOdyssey Regatta
MSRP $1,499

At a glance

14 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
Odyssey Regatta45.5mm
Power Reserve
C63 Sealander Extreme GMT56h
Odyssey Regatta40h
Water Resistance
C63 Sealander Extreme GMT150m
Odyssey Regatta500m
MSRP
C63 Sealander Extreme GMT$1,850
Odyssey Regatta$1,499

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
48mm
45.5mm
Thickness
12.05mm
16mm
Lug-to-Lug
48mm
52mm
Finish
Brushed + Bead-blasted + Sandblasted
Brushed and polished
Water Resistance
150m
500m

Crystal & Dial

3 specs
AR Coating
Underside
Yes
Dial Color
Black
Regatta Admiral Blue
Lume
SLN X1 BL / GL
Super-LumiNova

Movement

4 specs
Caliber
SW330
ETA Valjoux 7750
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
40h
Complications
GMT, Moonphase, Day-date
None

Pricing

1 specs
MSRP
$1,850
$1,499

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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.

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.

Boldr Odyssey Regatta

The Boldr Odyssey Regatta is noted for its robust functionality and utilitarian design, powered by a Valjoux 7750 Elaboré movement. It features a tachymeter bezel graduated in knots and offers 500m water resistance. While its 45.5mm diameter, 18.2mm thickness, and 245g weight make it a substantial timepiece, it wears better than its dimensions might suggest. Overall, owners and reviewers highlight the Boldr Odyssey Regatta's workhorse movement and functional tool-watch capabilities.

From video reviewers

500m water resistance is a consistently praised feature. The watch's significant weight and large case size were noted as drawbacks by multiple reviewers. Reviewers disagreed on whether the bezel's 15-minute markings were redundant given the regatta complication.

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