Side by side

Christopher Ward C63 Sealander Extreme GMTvsYema YEMA x Alain Silberstein Limited Edition

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
YEMA x Alain Silberstein Limited Edition
YemaYEMA x Alain Silberstein Limited Edition
MSRP $3,732

At a glance

17 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
YEMA x Alain Silberstein Limited Edition40mm
Power Reserve
C63 Sealander Extreme GMT56h
YEMA x Alain Silberstein Limited Edition40h
Water Resistance
C63 Sealander Extreme GMT150m
YEMA x Alain Silberstein Limited Edition200m
MSRP
C63 Sealander Extreme GMT$1,850
YEMA x Alain Silberstein Limited Edition$3,732

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
48mm
40mm
Thickness
12.05mm
11mm
Lug-to-Lug
48mm
Lug Width
22mm
20mm
Material
Stainless Steel
Titanium (DLC coated)
Finish
Brushed + Bead-blasted + Sandblasted
Brushed and polished
Water Resistance
150m
200m

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Underside
Inner
Dial Color
Black
Standard
Lume
SLN X1 BL / GL
None

Movement

4 specs
Caliber
SW330
Yema CMM.20
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
40h
Complications
GMT, Moonphase, Day-date
None

Pricing

1 specs
MSRP
$1,850
$3,732

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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.

YEMA x Alain Silberstein Limited Edition

The YEMA x Alain Silberstein Limited Edition is noted for its avant-garde, playful design featuring toy-like hands and a vibrant dial, housed in a 40mm black DLC-coated titanium case. It is powered by the French CMM.20 micro-rotor automatic movement, offering a 70-hour power reserve and rated accuracy of -3/+7 seconds per day. Some reviewers and owners find the sea star and koi motifs on the handset and caseback discordant with the overall aesthetic, and the polished Yema logo and "Marine" label on the dial are considered incongruous with the matte case. The $3,900 price is frequently cited as a significant negative. Overall, opinions on the YEMA x Alain Silberstein Limited Edition are sharply divided, with the price and design elements being the most contentious points.

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