Which is bigger, the Tornek-Rayville TR-660 Sapphire Non-date or the Yema Wristmaster Slim Small Seconds CMM.29?

The Tornek-Rayville TR-660 Sapphire Non-date wears larger at 40mm versus 39mm for the Yema Wristmaster Slim Small Seconds CMM.29 — a 1mm difference across the dial.

Which has better water resistance, the Tornek-Rayville TR-660 Sapphire Non-date or the Yema Wristmaster Slim Small Seconds CMM.29?

The Tornek-Rayville TR-660 Sapphire Non-date is rated to 200m versus 100m for the Yema Wristmaster Slim Small Seconds CMM.29.

Which has a longer power reserve, the Tornek-Rayville TR-660 Sapphire Non-date or the Yema Wristmaster Slim Small Seconds CMM.29?

The Tornek-Rayville TR-660 Sapphire Non-date carries a 50-hour power reserve against 40 hours on the Yema Wristmaster Slim Small Seconds CMM.29.

What movement does the Tornek-Rayville TR-660 Sapphire Non-date run compared to the Yema Wristmaster Slim Small Seconds CMM.29?

Both watches run automatic movements — the Tornek-Rayville TR-660 Sapphire Non-date uses the TMI NH38 and the Yema Wristmaster Slim Small Seconds CMM.29 uses the Yema CMM.29.

Side by side

Tornek-Rayville TR-660 Sapphire Non-datevsYema Wristmaster Slim Small Seconds CMM.29

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

Tornek-Rayville TR-660 Sapphire Non-date

tr-660-w-sapphire-inlay-1201-non-date-3167895

Yema Wristmaster Slim Small Seconds CMM.29

yema-wristmaster-slim-cmm-29-76-26-29-05-sn-m

MSRP $2,249

At a glance

10 of 29 specs differ

Diameter

TR-660 Sapphire Non-date40mm

Wristmaster Slim Small Seconds CMM.2939mm

Power Reserve

TR-660 Sapphire Non-date50h

Wristmaster Slim Small Seconds CMM.2940h

Water Resistance

TR-660 Sapphire Non-date200m

Wristmaster Slim Small Seconds CMM.29100m

MSRP

TR-660 Sapphire Non-date—

Wristmaster Slim Small Seconds CMM.29$2,249

Full specifications

Case

5 specs

Crystal & Dial

2 specs

AR Coating

Yes

Inner

Lume

Superluminova

None

Movement

2 specs

Caliber

TMI NH38

Yema CMM.29

Power Reserve

50h

40h

Pricing

1 specs

MSRP

—

$2,249

Follow this matchup

Get a note when Tornek-Rayville TR-660 Sapphire Non-date vs Yema Wristmaster Slim Small Seconds CMM.29 gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Tornek-Rayville TR-660 Sapphire Non-date

Owners widely praise the Tornek-Rayville TR-660 for its quality, good timekeeping, and suitability as a military diver reissue. The 40mm bead-blasted 316L stainless steel case, sapphire bezel inlay, and Arclite Super LumiNova are noted features, powered by a Japanese TMI NH38 automatic movement and water-resistant to 20 ATMs. Some owners suggest alternatives due to availability issues with the small-batch releases. Overall, owners rate the Tornek-Rayville TR-660 highly for its faithful reissue design and quality build at its price point.

WatchUSeek·3

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.

Reddit·4

Fratello·2

Keep exploring