Side by side

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's WatchvsYema Wristmaster Slim Small Seconds CMM.29

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

Wristmaster Slim Small Seconds CMM.29
YemaWristmaster Slim Small Seconds CMM.29
MSRP $2,249

At a glance

12 of 29 specs differ
Diameter
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm
Wristmaster Slim Small Seconds CMM.2939mm
Power Reserve
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch50h
Wristmaster Slim Small Seconds CMM.2940h
Water Resistance
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m
Wristmaster Slim Small Seconds CMM.29100m
MSRP
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$2,900
Wristmaster Slim Small Seconds CMM.29$2,249

Full specifications

Case

5 specs
Category
Diver
Dress
Diameter
42.6mm
39mm
Thickness
13.4mm
9mm
Lug-to-Lug
49.3mm
Water Resistance
300m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
8L35
Yema CMM.29
Power Reserve
50h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$2,900
$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 Marinemaster Marinemaster 1968 Heritage Diver's Watch

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch is praised for its premium finishing, often described as Zaratsu-like, and robust build quality, with owners finding its 42mm case and 4 o'clock crown appealing for wearability. Some reviewers note its secondary GMT function and quieter bezel clicks may not suit all preferences, while one owner reported bezel misalignment issues. The watch is powered by the Caliber 8L45 automatic movement, offering a 72-hour power reserve and an accuracy rating of -5/+10 seconds per day, though some owners question its value proposition at its price point. On balance, owners and reviewers rate the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch highly for its exceptional finishing and refined tool-like aesthetic.

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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