Side by side

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's WatchvsMaen Manhattan 三七

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

Manhattan 三七
MaenManhattan 三七
MSRP $951

At a glance

15 of 29 specs differ
Diameter
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm
Manhattan 三七37mm
Power Reserve
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch72h
Manhattan 三七40h
Water Resistance
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m
Manhattan 三七100m
MSRP
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$3,600
Manhattan 三七$951

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
42.6mm
37mm
Thickness
14.1mm
9.3mm
Lug-to-Lug
49.3mm
Lug Width
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

4 specs
Crystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
MHV.01
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
8L45
Sellita SW200-1
Power Reserve
72h
40h
Jewels
35
25

Pricing

1 specs
MSRP
$3,600
$951

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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.

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

The Seiko Prospex Marinemaster 1968 Heritage Diver's Watch is widely praised for its excellent quality and finishing, with reviewers and owners noting its GS-level craftsmanship and Zaratsu-inspired polishing. Owners appreciate its refined design, comfortable case shape, and the 4:00 crown position, with some finding it more manageable on the wrist than other models. The Caliber 8L45 movement offers a 72-hour power reserve and accuracy within -5/+10 seconds per day, and the bracelet features an improved clasp with an extension system. However, some find the price point high, and one reviewer noted the unsigned winding crown as a missed opportunity. On balance, owners and reviewers rate the Seiko Prospex Marinemaster 1968 Heritage Diver's Watch highly for its premium finishing and tool-like appearance at its price point.

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.

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