Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 36mmvsPraesidus Service Watch

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

OSAR-D (Original SAR with Date) Automatic 36mm
MarathonOSAR-D (Original SAR with Date) Automatic 36mm
MSRP $1,200
Service Watch
PraesidusService Watch
MSRP $259

At a glance

9 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 36mm36mm
Service Watch42mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 36mm40h
Service Watch40h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 36mm300m
Service Watch100m
MSRP
OSAR-D (Original SAR with Date) Automatic 36mm$1,200
Service Watch$259

Full specifications

Case

6 specs
Category
Diver
Field
Diameter
36mm
42mm
Thickness
13mm
Lug-to-Lug
43.5mm
Lug Width
18mm
20mm
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Black
Green

Movement

1 specs
Caliber
Sellita SW220-1
Seiko NH35

Pricing

1 specs
MSRP
$1,200
$259

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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 36mm

Owners widely praise the Marathon OSAR-D (Original SAR with Date) Automatic 36mm for its exceptional legibility, featuring large hour markers and MaraGlo lume. The watch is noted for its comfortable wearability and competent Swiss-made Selitta SW200-1 automatic movement, offering 300-meter water resistance and a sapphire crystal. Some enthusiasts find the price of $1,380 USD on rubber to be excessive, particularly compared to past models or other brands, and the Spartan bracelet is described as lacking refinement. On balance, owners and reviewers find the Marathon OSAR-D Automatic 36mm a reliable and functional tool watch, with its clear dial and robust build being the primary draws.

Praesidus Service Watch

Owners widely praise the Praesidus Service Watch for its 38mm size and solid build quality, with the domed crystal providing vintage distortion and the unbranded dial appealing to history enthusiasts. However, owners report jumpy hand sensitivity when setting the time. One owner experienced a scratchy crown and a noisy rotor on their DD-45, which persisted after warranty service and eventually led to the crown locking mid-way. Concerns about slow customer service and a negative reputation for Praesidus's support are also noted by owners. On balance, owners appreciate the vintage aesthetic and wearability of the Praesidus Service Watch, though persistent customer service issues temper enthusiasm.

From video reviewers

The 38mm case size is a strength for those preferring smaller watches. The dial may show slight discoloration or unevenness in finish.

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