Which is cheaper, the Formex Reef 42 mm or the Yema Wristmaster Slim Small Seconds CMM.29?

At MSRP the Yema Wristmaster Slim Small Seconds CMM.29 is the cheaper of the two at $2,249, against $2,414 for the Formex Reef 42 mm — a $165 gap before any retailer discounting.

Which is bigger, the Formex Reef 42 mm or the Yema Wristmaster Slim Small Seconds CMM.29?

The Formex Reef 42 mm wears larger at 42mm versus 39mm for the Yema Wristmaster Slim Small Seconds CMM.29 — a 3mm difference across the dial.

Which has better water resistance, the Formex Reef 42 mm or the Yema Wristmaster Slim Small Seconds CMM.29?

The Formex Reef 42 mm is rated to 300m versus 100m for the Yema Wristmaster Slim Small Seconds CMM.29.

Which has a longer power reserve, the Formex Reef 42 mm or the Yema Wristmaster Slim Small Seconds CMM.29?

The Formex Reef 42 mm carries a 56-hour power reserve against 40 hours on the Yema Wristmaster Slim Small Seconds CMM.29.

What movement does the Formex Reef 42 mm run compared to the Yema Wristmaster Slim Small Seconds CMM.29?

Both watches run automatic movements — the Formex Reef 42 mm uses the Sellita SW300-1 and the Yema Wristmaster Slim Small Seconds CMM.29 uses the Yema CMM.29.

Side by side

Formex Reef 42 mmvsYema Wristmaster Slim Small Seconds CMM.29

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

Formex Reef 42 mm

reef-42mm-automatic-cosc-300m-black

MSRP $2,414

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

Reef 42 mm42mm

Wristmaster Slim Small Seconds CMM.2939mm

Power Reserve

Reef 42 mm56h

Wristmaster Slim Small Seconds CMM.2940h

Water Resistance

Reef 42 mm300m

Wristmaster Slim Small Seconds CMM.29100m

MSRP

Reef 42 mm$2,414

Wristmaster Slim Small Seconds CMM.29$2,249

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Lume

Super-LumiNova

None

Movement

2 specs

Caliber

Sellita SW300-1

Yema CMM.29

Power Reserve

56h

40h

Pricing

1 specs

MSRP

$2,414

$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.

Formex Reef 42 mm

The Formex Reef 42 mm is widely praised for its comfortable bracelet featuring a micro-adjust clasp, COSC-certified Sellita movement, and excellent build quality. Owners appreciate the gradient dial's visual appeal and the overall wearability. Some owners note the seconds hand does not perfectly align with markers, and one owner found the lugs' taper hinders third-party strap fit. The bracelet's length and sporty design are noted as limiting versatility by some. On balance, owners and reviewers rate the Formex Reef 42 mm highly for its impressive wearability and value at the price point.

WatchUSeek

A Blog to Watch

Fratello

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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Fratello·2

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