Omega Seamaster 300vsYema Superman Dato CMM.10

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Omega Seamaster 300 at true scale

Seamaster 300

Yema Superman Dato CMM.10 at true scale

Superman Dato CMM.10

Diameter

39mm

39.5mm

Thickness

n/a

11.8mm

Water Resistance

200m

300m

highest

MSRP

n/a

$1,777

Movement

Omega 552

Yema CMM.10

Case

7 specs
Diameter
39mm
39.5mm
Thickness
n/a
11.85mm
Lug-to-Lug
n/a
n/a
Lug Width
n/a
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
300m
Caseback
Screw-in
n/a

Crystal & Dial

2 specs
Crystal
n/a
Domed Sapphire
Dial Color
Black
39.5mm Automatic

Movement

1 specs
Caliber
Omega 552
Yema CMM.10

Pricing

1 specs
MSRP
n/a
$1,777
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Omega Seamaster 300

Owners widely praise the Omega Seamaster 300 for its pure design, featuring a sandwich dial and Broad Arrow hour hand, with many calling it their most worn watch and an incredible value. Reviewers note its improved and modernized aesthetic compared to previous models, highlighting its curvaceous look, pronounced sapphire crystal, and scratch-resistant bezel insert. Some owners find the standard color schemes the best value, while others appreciate the timeless appeal of specific dial colors or unique finishes. One owner reports the coaxial 8800 movement runs at approximately 1.2 seconds fast per day per Omega's specifications, though subjectively closer to 0.2 seconds fast. The bracelet's minimal taper and end link design are noted points of contention by one reviewer. On balance, owners and reviewers rate the Omega Seamaster 300 highly for its attractive pure design and exceptional value.

Yema Superman Dato CMM.10

Owners report accuracy ranging from -3 to +5/-3 seconds per day. One owner notes the bezel lock reduces fidget factor, while another reviewer considers the mechanism flimsy. The Yema Superman Dato CMM.10 offers excellent value at $1,790, featuring a distinct fishscale bracelet and a customized in-house CMM.10 movement with a 70-hour power reserve. Overall, owners rate the Yema Superman Dato CMM.10 highly for its value and in-house movement.