Side by side

Maen Manhattan 40vsGrand Seiko SLGB003

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

Manhattan 40
MaenManhattan 40
MSRP $799
SLGB003
Grand SeikoSLGB003
MSRP $11,400

At a glance

11 of 29 specs differ
Diameter
Manhattan 4040mm
SLGB00337mm
Power Reserve
Manhattan 4040h
SLGB00372h
Water Resistance
Manhattan 40100m
SLGB003100m
MSRP
Manhattan 40$799
SLGB003$11,400

Full specifications

Case

5 specs
Diameter
40mm
37mm
Thickness
11.4mm
Lug-to-Lug
44.3mm
Lug Width
20mm
Material
316L Stainless Steel
Titanium

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
M3.1.1
Black

Movement

3 specs
Caliber
9RB2
Type
Automatic
Spring Drive
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$799
$11,400

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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

Owners appreciate the Maen Manhattan 40's thin case and unique dial, with some finding its proportions too large for smaller wrists. One owner noted a snagging crown and difficult winding action. Accuracy figures vary, with one owner reporting +18s/d to +24s/d on the 37mm version, while another owner of the 40mm model did not specify accuracy. On balance, owners and reviewers find the Maen Manhattan 40 to be a good value, with its thinness and dial finishing being key strengths.

Grand Seiko SLGB003

Grand Seiko SLGB003 owners widely praise its lightness and comfort, with a dial that offers a shifting character in different lighting conditions. Reviewers note its compact case size enhances wearability and versatility across wrist sizes. However, one owner found the dial underwhelming, and another reported a date disc issue with lower numbers not changing correctly. Some question the value proposition at around $10,000, citing the bracelet and dial as potential drawbacks, while others highlight the movement and smaller dimensions as significant positives. On balance, owners rate the Grand Seiko SLGB003 highly for its movement and compact dimensions, despite some reservations about the dial and bracelet.

From video reviewers

The watch's exceptional accuracy is a notable strength, with both reviewers highlighting its precise timekeeping. A weakness is the relatively high price point compared to other Grand Seiko models. Reviewers disagree on the ideal case size, with one reviewer noting it's relatively small at 37mm, while the other doesn't mention case size as a concern.

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