Side by side

Spinnaker Dumas GMTvsYema Superman Dato CMM.10

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

Dumas GMT
SpinnakerDumas GMT
MSRP $399
Superman Dato CMM.10
YemaSuperman Dato CMM.10
MSRP $1,777

At a glance

9 of 29 specs differ
Diameter
Dumas GMT44mm
Superman Dato CMM.1039.5mm
Power Reserve
Dumas GMT40h
Superman Dato CMM.1040h
Water Resistance
Dumas GMT300m
Superman Dato CMM.10300m
MSRP
Dumas GMT$399
Superman Dato CMM.10$1,777

Full specifications

Case

5 specs
Category
GMT
Diver
Diameter
44mm
39.5mm
Thickness
15mm
11.85mm
Lug-to-Lug
48mm
Lug Width
22mm
20mm

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Blue
39.5mm Automatic

Movement

1 specs
Caliber
Seiko NH34A
Yema CMM.10

Pricing

1 specs
MSRP
$399
$1,777

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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.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

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.

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