Side by side

Christopher Ward C63 Sealander GMTvsYema Superman Dato CMM.10

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

C63 Sealander GMT
Christopher WardC63 Sealander GMT
MSRP $1,675
Superman Dato CMM.10
YemaSuperman Dato CMM.10
MSRP $1,777
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 GMT

The Christopher Ward C63 Sealander GMT is praised for its comfortable wearability, with reviewers noting its slim profile, short lugs, and 39mm case size, while others prefer the proportions of the 36mm version. The watch features a Light-catcher case with alternating brushed and polished surfaces, and the Bader bracelet is highlighted for its build quality and comfort at its price point. Some owners find the gloss white dial's text and indices small, and the orange accents can appear yellow. The Sellita SW330-2 movement provides caller GMT functionality and a 56-hour power reserve. On balance, owners and reviewers appreciate the Christopher Ward C63 Sealander GMT for its comfortable wearability and solid bracelet construction at its price.

Yema Superman Dato CMM.10

Owners widely praise the Yema Superman Dato CMM.10 for its excellent value and retro-inspired design, with particular appreciation for the tropical dial and faded bezel. The in-house CMM.10 movement is noted for its 70-hour power reserve and stated accuracy of +5/-3 seconds per day. Some owners find the strap uncomfortable on smaller wrists, and the bezel lock mechanism is considered flimsy by one reviewer. The CMM.10 movement is thicker than alternative micro-rotor movements. Overall, owners rate the Yema Superman Dato CMM.10 highly for its distinctive aesthetic and strong value proposition.

At a glance

17 of 29 specs differ
Diameter
C63 Sealander GMT42mm
Superman Dato CMM.1039.5mm
Power Reserve
C63 Sealander GMT56h
Superman Dato CMM.1040h
Water Resistance
C63 Sealander GMT150m
Superman Dato CMM.10300m
MSRP
C63 Sealander GMT$1,675
Superman Dato CMM.10$1,777

Full specifications

Case

9 specs
Category
GMT
Diver
Diameter
42mm
39.5mm
Thickness
11.5mm
11.85mm
Lug-to-Lug
48.5mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed + Polished + Sandblasted
Brushed and polished
Water Resistance
150m
300m
Caseback
Display
Solid

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Blue
39.5mm Automatic
Lume
SLN X1 BL C1
None

Movement

4 specs
Caliber
SW330
Yema CMM.10
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
40h
Complications
GMT, Moonphase, Day-date
None

Pricing

1 specs
MSRP
$1,675
$1,777
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