Side by side

Maen Mahjong 36vsFormex Reef 39.5 mm

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

Mahjong 36
MaenMahjong 36
MSRP $899
Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230

At a glance

13 of 29 specs differ
Diameter
Mahjong 3636mm
Reef 39.5 mm39.5mm
Power Reserve
Mahjong 3640h
Reef 39.5 mm56h
Water Resistance
Mahjong 3650m
Reef 39.5 mm300m
MSRP
Mahjong 36$899
Reef 39.5 mm$2,230

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
36mm
39.5mm
Thickness
11.1mm
11mm
Lug-to-Lug
45.5mm
Lug Width
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
300m

Crystal & Dial

3 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
MHV.03
Bahama Blue
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Miyota 9122
Sellita SW300-1
Power Reserve
40h
56h

Pricing

1 specs
MSRP
$899
$2,230

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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.

Maen Mahjong 36

Owners widely appreciate the Maen Mahjong 36 for its quality and wearability, with some finding the green sunburst dial a subtle and fitting homage to its theme and the price reasonable. However, a segment of the community finds the design too understated for its thematic inspiration, preferring a more pronounced lacquered dial. On balance, owners rate the Maen Mahjong 36 highly for its impressive quality and wearability at its price point.

Formex Reef 39.5 mm

The Formex Reef 39.5 mm is widely praised for its refined finishing, comfortable and well-proportioned case design, and impressive specifications for its price point, including COSC-certified Sellita SW300-1 movement and 300m water resistance. Owners and reviewers highlight the tool-less micro-adjust clasp and quick-release spring bars as practical features. Some reviewers note that the 22mm lug width feels slightly disproportionate to the smaller case, and the bracelet could benefit from more taper, though this is a point of contention for some owners who value the overall package. A prototype crown protrusion issue is noted as being addressed for production. On balance, owners and reviewers rate the Formex Reef 39.5 mm highly for its excellent value and well-executed design.

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