Side by side

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

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 SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $3,000

At a glance

14 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 41mm41mm
Prospex SPEEDTIMER42.5mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 41mm40h
Prospex SPEEDTIMER45h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 41mm300m
Prospex SPEEDTIMER100m
MSRP
OSAR-D (Original SAR with Date) Automatic 41mm$1,800
Prospex SPEEDTIMER$3,000

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
41mm
42.5mm
Thickness
13mm
15.1mm
Lug-to-Lug
43.5mm
50mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Sellita SW220-1
8R46
Power Reserve
40h
45h
Jewels
25
34

Pricing

1 specs
MSRP
$1,800
$3,000

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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 SPEEDTIMER

Owners widely praise the Seiko Prospex SPEEDTIMER for its attractive vintage-inspired design and compact 39mm size, with one owner finding the red dial unique and gorgeous. Reviewers and owners note the solar-powered quartz movement, with one owner considering $700 expensive for this specification and another wishing for a thinner case. The SPEEDTIMER is described as a sturdy and reliable everyday watch, though one owner questioned its resale value. Overall, owners and reviewers appreciate the Seiko Prospex SPEEDTIMER for its stylish, compact design and solar functionality, despite some finding the price point and case thickness slightly high.

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