Side by side

Maen Manhattan 三七vsSeiko Monster

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

Manhattan 三七
MaenManhattan 三七
MSRP $951
Monster
SeikoMonster
MSRP $550

At a glance

14 of 29 specs differ
Diameter
Manhattan 三七37mm
Monster42.4mm
Power Reserve
Manhattan 三七40h
Monster41h
Water Resistance
Manhattan 三七100m
Monster200m
MSRP
Manhattan 三七$951
Monster$550

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
37mm
42.4mm
Thickness
9.3mm
13.4mm
Lug-to-Lug
49.4mm
Lug Width
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
MHV.01
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Sellita SW200-1
4R36
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$951
$550

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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 三七

Owners are 100% satisfied with the Maen Manhattan 三七's looks and finishing quality, finding it super comfortable. Reviewers praise its modest dimensions, appealing case profile, and dial finishing with a vertical Côtes de Genève pattern, though one owner notes the dial color is deceptively different from website images. The Maen Manhattan 三七 features a thin 7.1mm case and 100m water resistance with a screw-down crown, utilizing a manual-wind movement with a two-day power reserve, while another reviewer points to a different movement with an average accuracy deviation of +/- 12 seconds per day and a 40-hour power reserve. On balance, owners and reviewers rate the Maen Manhattan 三七 highly for its finishing and comfortable wearability at its price point.

Seiko Monster

Owners widely praise the Seiko Prospex Sea for its excellent value, robust build, and superb lume, with many noting its comfortable wearability. Reviewers consistently highlight its impressive finishing and classic dive watch design, often comparing it favorably to older models. Some owners find the size substantial, with one noting it as big, thick, and heavy on a 6.5-inch wrist, while others find it perfect. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its exceptional value and robust, classic dive watch design.

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