Side by side

Maen Manhattan 40 MSDvsFormex Reef GMT

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

Manhattan 40 MSD
MaenManhattan 40 MSD
MSRP $1,249
Reef GMT
FormexReef GMT
MSRP $2,235

At a glance

12 of 29 specs differ
Diameter
Manhattan 40 MSD40mm
Reef GMT42mm
Power Reserve
Manhattan 40 MSD40h
Reef GMT56h
Water Resistance
Manhattan 40 MSD100m
Reef GMT300m
MSRP
Manhattan 40 MSD$1,249
Reef GMT$2,235

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
40mm
42mm
Thickness
11.4mm
Lug-to-Lug
47mm
Lug Width
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

2 specs
Dial Color
MSD.01
Black
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Sellita SW200-1
Sellita SW330-2
Power Reserve
40h
56h

Pricing

1 specs
MSRP
$1,249
$2,235

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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 Manhattan 40 MSD

The Maen Manhattan 40 MSD is widely praised for its refined, architectural design, particularly its slim 9.6mm case, integrated bracelet that feels engineered as part of the case, and highly finished surfaces. Owners specifically highlight the stunning jade dial and the Midnight Blue dial's transformation in sunlight. The 70s-inspired integrated bracelet is noted as thin yet strong, and the 100m water resistance is a concrete feature. However, some enthusiasts find the 49.3mm lug-to-lug measurement too large for a retro-inspired rectangular watch, suggesting it wears large, while others with larger wrists appreciate the option, and some feel it wears smaller than its dimensions imply. The Sellita SW200 movement has a 38-hour power reserve, and the printed logo appears flat against the applied indices, with the integrated bracelet limiting strap change options.

Formex Reef GMT

The Formex Reef GMT is widely praised for its unique porthole case shape, COSC-certified Sellita SW330-2 movement with good finishing, and comfortable quick-release bracelet with on-the-fly micro-adjustment. Reviewers note its robust construction, impressive specifications, and strong value proposition, with a slim 11.4mm profile accommodating 300m water resistance and an exhibition caseback. However, owners widely report the 53mm lug-to-lug span with male endlinks makes it too large for smaller wrists. Some find the bezel action stiff and potentially slippery, and a reviewer desired sharper finishing and edges, deeming the aesthetic too modernist. The GMT variant sacrifices a timing bezel unless swapped, and one owner notes sharp edges on the crown and crown guard. Overall, owners and reviewers highly rate the Formex Reef GMT for its exceptional value and well-executed features, particularly its bracelet system and COSC-certified movement.

From video reviewers

The watch features a COSC-certified SW330-2 GMT movement, which is visible through a sapphire crystal display case back and beautifully decorated. The watch's water-resistance of up to 300m/1000ft is a notable feature. The 42mm diameter may be too large for smaller wrists.

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