Omega Seamaster 300vsYema Superman Dato CMM.10

lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures
Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Seamaster 300

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 specsCrystal & Dial
2 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
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.
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.
Similar watches
Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.
Also compared
Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.








