Side by side

Seiko Prospex SeavsYema Superman Dato CMM.10

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

Prospex Sea
SeikoProspex Sea
MSRP $595
Superman Dato CMM.10
YemaSuperman Dato CMM.10
MSRP $1,777

At a glance

12 of 29 specs differ
Diameter
Prospex Sea41.7mm
Superman Dato CMM.1039.5mm
Power Reserve
Prospex Sea41h
Superman Dato CMM.1040h
Water Resistance
Prospex Sea200m
Superman Dato CMM.10300m
MSRP
Prospex Sea$595
Superman Dato CMM.10$1,777

Full specifications

Case

5 specs
Diameter
41.7mm
39.5mm
Thickness
12.3mm
11.85mm
Lug-to-Lug
49.5mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

3 specs
Crystal
Hardlex
Domed Sapphire
Dial Color
Black
39.5mm Automatic
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
4R35
Yema CMM.10
Power Reserve
41h
40h
Jewels
23
25

Pricing

1 specs
MSRP
$595
$1,777

Follow this matchup

Get a note when Seiko Prospex Sea vs Yema Superman Dato CMM.10 gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

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

Seiko Prospex Sea

Owners and reviewers widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many noting its comfortable wearability and faithful design recreations. Some owners report the watch can feel big, thick, and heavy on smaller wrists, while others find the sizing perfect. The bezel action is frequently highlighted as smooth and precise, often exceeding that of less expensive models. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its impressive finishing and value proposition.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.