Side by side

Seiko King Seiko KSKvsYema Wristmaster Slim Small Seconds CMM.29

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

King Seiko KSK
SeikoKing Seiko KSK
MSRP $3,300
Wristmaster Slim Small Seconds CMM.29
YemaWristmaster Slim Small Seconds CMM.29
MSRP $2,249

At a glance

11 of 29 specs differ
Diameter
King Seiko KSK38.6mm
Wristmaster Slim Small Seconds CMM.2939mm
Power Reserve
King Seiko KSK45h
Wristmaster Slim Small Seconds CMM.2940h
Water Resistance
King Seiko KSK50m
Wristmaster Slim Small Seconds CMM.29100m
MSRP
King Seiko KSK$3,300
Wristmaster Slim Small Seconds CMM.29$2,249

Full specifications

Case

5 specs
Diameter
38.6mm
39mm
Thickness
10.7mm
9mm
Lug-to-Lug
45.8mm
Lug Width
19mm
20mm
Water Resistance
50m
100m

Crystal & Dial

2 specs
Crystal Shape
Box
Flat
AR Coating
Anti-reflective coating on inner surface
Inner

Movement

3 specs
Caliber
6L35
Yema CMM.29
Power Reserve
45h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$3,300
$2,249

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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 King Seiko KSK

Owners and reviewers widely praise the King Seiko KSK for its exceptional dial and case finishing, often compared to higher-end brands, and its slim, retro design. The use of the Calibre 6L35 movement in some variants is seen as a significant upgrade, contributing to a refined feel, while others note the bracelet is unusually nice and the case offers a mix of brushed and polished finishes with sharp angles. However, some owners question the value proposition, citing misaligned screws and clasp components on their examples, and the standard 6R movement in some models is criticized as a disappointment for the price point. Accuracy figures range from +15/-10 seconds per day to +5 to +7 seconds per day, and water resistance is rated at 5 BAR or 50 meters. Overall, owners and reviewers find the King Seiko KSK to be a beautiful and classy watch with fantastic finishing, though some are divided on its value and movement choice at its price point.

Yema Wristmaster Slim Small Seconds CMM.29

Owners widely praise the Yema Wristmaster Slim Small Seconds CMM.29 for its slim 9.5mm case, unique nature-inspired dial, and brushed steel finish. The micro-rotor movement is noted for its 4Hz beat rate and 42-hour power reserve, regulated to -/+ 10 seconds per day. Some owners report concerns regarding the movement and warranty process, while a reviewer questioned the value proposition at its price point and noted minor finishing inconsistencies on a prototype. On balance, the Yema Wristmaster Slim Small Seconds CMM.29 is highly regarded by owners for its distinctive design and comfortable wearability.

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