Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsSeiko Prospex Rotocall

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
Prospex Rotocall
SeikoProspex Rotocall
MSRP $550

At a glance

10 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 41mm41mm
Prospex Rotocall37mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 41mm40h
Prospex Rotocall40h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 41mm300m
Prospex Rotocall100m
MSRP
OSAR-D (Original SAR with Date) Automatic 41mm$1,800
Prospex Rotocall$550

Full specifications

Case

6 specs
Category
Diver
Sport
Diameter
41mm
37mm
Thickness
13mm
10.6mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

1 specs
Crystal
Sapphire
Hardlex

Movement

2 specs
Caliber
Sellita SW220-1
A824
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$1,800
$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.

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.

Seiko Prospex Rotocall

Owners widely praise the Seiko Prospex Rotocall for its charismatic retro design and comfortable 37mm size, with many appreciating its space-faring heritage. However, multiple sources criticize its price point, suggesting it is too high for an all-digital quartz watch with features like a stamped clasp, mineral crystal, and standard quartz movement. Some owners also note drawbacks such as a flimsy battery mount and split pin bracelet construction. On balance, owners and reviewers find the Seiko Prospex Rotocall visually appealing and a faithful re-release, but its value proposition is frequently questioned due to its price.

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