Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsGrand Seiko SLGB003

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

OSAR-D (Original SAR with Date) Automatic 41mm
MarathonOSAR-D (Original SAR with Date) Automatic 41mm
MSRP $1,800
SLGB003
Grand SeikoSLGB003
MSRP $11,400

At a glance

12 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 41mm41mm
SLGB00337mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 41mm40h
SLGB00372h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 41mm300m
SLGB003100m
MSRP
OSAR-D (Original SAR with Date) Automatic 41mm$1,800
SLGB003$11,400

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
41mm
37mm
Thickness
13mm
11.4mm
Lug-to-Lug
43.5mm
44.3mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Titanium
Water Resistance
300m
100m

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

3 specs
Caliber
Sellita SW220-1
9RB2
Type
Automatic
Spring Drive
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$1,800
$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.

Marathon OSAR-D (Original SAR with Date) Automatic 41mm

The Marathon OSAR-D (Original SAR with Date) Automatic 41mm is noted for its highly legible white dial with applied hour markers and a functional date magnifier, emphasizing its tool-watch purpose. Its Swiss-made Sellita SW200-1 movement is considered reliable and serviceable. One reviewer found the bracelet lacked refinement and preferred the rubber strap option. Overall, owners and reviewers appreciate the Marathon OSAR-D (Original SAR with Date) Automatic 41mm for its excellent legibility and robust movement.

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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