Side by side

Seiko Prospex SPEEDTIMERvsYema Wristmaster Slim Small Seconds CMM.29

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

Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $3,000
Wristmaster Slim Small Seconds CMM.29
YemaWristmaster Slim Small Seconds CMM.29
MSRP $2,249

At a glance

11 of 29 specs differ
Diameter
Prospex SPEEDTIMER42.5mm
Wristmaster Slim Small Seconds CMM.2939mm
Power Reserve
Prospex SPEEDTIMER45h
Wristmaster Slim Small Seconds CMM.2940h
Water Resistance
Prospex SPEEDTIMER100m
Wristmaster Slim Small Seconds CMM.29100m
MSRP
Prospex SPEEDTIMER$3,000
Wristmaster Slim Small Seconds CMM.29$2,249

Full specifications

Case

4 specs
Category
Chronograph
Dress
Diameter
42.5mm
39mm
Thickness
15.1mm
9mm
Lug-to-Lug
50mm

Crystal & Dial

3 specs
Crystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
8R46
Yema CMM.29
Power Reserve
45h
40h
Jewels
34
25

Pricing

1 specs
MSRP
$3,000
$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 Prospex SPEEDTIMER

Owners widely praise the Seiko Prospex SPEEDTIMER for its attractive vintage-inspired design and compact 39mm size, with one owner finding the red dial unique and gorgeous. Reviewers and owners note the solar-powered quartz movement, with one owner considering $700 expensive for this specification and another wishing for a thinner case. The SPEEDTIMER is described as a sturdy and reliable everyday watch, though one owner questioned its resale value. Overall, owners and reviewers appreciate the Seiko Prospex SPEEDTIMER for its stylish, compact design and solar functionality, despite some finding the price point and case thickness slightly high.

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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