Side by side

Formex Reef 42 mmvsYema Superman Tourbillon CMM.31 Limited Edition

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

Reef 42 mm
FormexReef 42 mm
MSRP $2,414
Superman Tourbillon CMM.31 Limited Edition
YemaSuperman Tourbillon CMM.31 Limited Edition
MSRP $13,000

At a glance

9 of 29 specs differ
Diameter
Reef 42 mm42mm
Superman Tourbillon CMM.31 Limited Edition43mm
Power Reserve
Reef 42 mm56h
Superman Tourbillon CMM.31 Limited Edition40h
Water Resistance
Reef 42 mm300m
Superman Tourbillon CMM.31 Limited Edition300m
MSRP
Reef 42 mm$2,414
Superman Tourbillon CMM.31 Limited Edition$13,000

Full specifications

Case

3 specs
Diameter
42mm
43mm
Thickness
11.4mm
11.7mm
Lug-to-Lug
47mm

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
Steel
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Sellita SW300-1
Yema CMM.31 Tourbillon
Power Reserve
56h
40h

Pricing

1 specs
MSRP
$2,414
$13,000

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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.

Yema Superman Tourbillon CMM.31 Limited Edition

Owners praise the Yema Superman Tourbillon CMM.31 Limited Edition as an incredible and crazy watch, appreciating its unnecessary tourbillon complication and impressive specifications at a remarkable price point. The titanium construction contributes to comfort despite the 43mm case size. One reviewer notes the bracelet clasp's extension system is somewhat crude. On balance, owners and reviewers rate the Yema Superman Tourbillon CMM.31 Limited Edition highly for its compelling tourbillon feature at an accessible price.

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