Side by side

Seiko Diamond CollectionvsYema Wristmaster Slim Small Seconds CMM.29

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

Diamond Collection
SeikoDiamond Collection
MSRP $525
Wristmaster Slim Small Seconds CMM.29
YemaWristmaster Slim Small Seconds CMM.29
MSRP $2,249

At a glance

8 of 29 specs differ
Diameter
Diamond Collection30mm
Wristmaster Slim Small Seconds CMM.2939mm
Power Reserve
Diamond Collection40h
Wristmaster Slim Small Seconds CMM.2940h
Water Resistance
Diamond Collection50m
Wristmaster Slim Small Seconds CMM.29100m
MSRP
Diamond Collection$525
Wristmaster Slim Small Seconds CMM.29$2,249

Full specifications

Case

5 specs
Diameter
30mm
39mm
Thickness
6.3mm
9mm
Lug-to-Lug
36.5mm
Lug Width
5mm
20mm
Water Resistance
50m
100m

Movement

2 specs
Caliber
7N01
Yema CMM.29
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$525
$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 Diamond Collection

The Seiko Diamond Collection is widely praised by owners for its stunning beauty, featuring 14 diamonds, a mother-of-pearl dial, and a two-tone color scheme. Reviewers note its dial is difficult to capture in photos and that its fit and finish suggest excellent value, especially when purchased on sale. One owner describes the gold plating on the bracelet showing some fading from desk work, and its gold tone may not suit all tastes. Overall, owners rate the Seiko Diamond Collection highly for its striking aesthetics and perceived value.

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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