Side by side

Seiko 5 Sports SNXS seriesvsYema Superman Steel CMM.10

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

5 Sports SNXS series
Seiko5 Sports SNXS series
MSRP $415
Superman Steel CMM.10
YemaSuperman Steel CMM.10
MSRP $1,890

At a glance

15 of 29 specs differ
Diameter
5 Sports SNXS series37.4mm
Superman Steel CMM.1039mm
Power Reserve
5 Sports SNXS series41h
Superman Steel CMM.1040h
Water Resistance
5 Sports SNXS series100m
Superman Steel CMM.10300m
MSRP
5 Sports SNXS series$415
Superman Steel CMM.10$1,890

Full specifications

Case

7 specs
Category
Sport
Diver
Diameter
37.4mm
39mm
Thickness
12.5mm
11.3mm
Lug-to-Lug
44.7mm
Lug Width
18mm
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

4 specs
Crystal
Hardlex
Domed Sapphire
Crystal Shape
Curved
Flat
Dial Color
Black
Steel
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
4R36
Yema CMM.10
Power Reserve
41h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$415
$1,890

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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.

Seiko 5 Sports SNXS series

Owners widely praise the Seiko 5 Sports SNXS series for its attractive sunburst dials, vintage aesthetic, and excellent value, with many highlighting its comfortable wearability. Reviewers and owners consistently flag the stock bracelet as a significant weakness, often described as jangly, hair-pulling, and difficult to adjust, with a flimsy clasp. The Hardlex crystal is noted as being prone to scratching, and the caseback is described as thick, contributing to a bulky appearance. Accuracy with the movement is reported to be variable, ranging from +/- 1-2 seconds per day to +/- 20 seconds or more, and the movement itself lacks hacking and hand-winding. On balance, owners and reviewers rate the Seiko 5 Sports SNXS series highly for its stunning dials and value, despite significant criticisms of its bracelet and movement limitations.

Yema Superman Steel CMM.10

Owners widely praise the Yema Superman Steel CMM.10 for its refined casework, including polished lug bevels and an elegant crown guard, and its comfortable 39mm x 10.5mm dimensions. The glossy black lacquer dial and bezel insert are noted for adding depth, and the in-house CMM.10 movement is reported to be accurate, with one owner observing a loss of only 2 seconds over 2 days. The scales bracelet is described as gorgeous and nearly invisible on the wrist, though some find its polished center links too flashy. One reviewer flagged the signature bezel lock mechanism as flimsy and inconvenient. The CMM.10 automatic movement offers a 70-hour power reserve and is regulated to within +5/-3 seconds per day. On balance, owners and reviewers rate the Yema Superman Steel CMM.10 highly for its refined finishing and comfortable wearability at its price point.

From video reviewers

The Yema Steel features an in-house movement with a micro-rotor, one of the most beautiful at this price point. The watch's clasp feels a bit thin, which is a notable drawback. Reviewers disagree on the movement's power reserve, with one reviewer noting a 42-hour reserve and the other not mentioning power reserve at all.

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