Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 46mmvsSeiko Diamond Collection

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

OSAR-D (Original SAR with Date) Automatic 46mm
MarathonOSAR-D (Original SAR with Date) Automatic 46mm
MSRP $2,500
Diamond Collection
SeikoDiamond Collection
MSRP $525

At a glance

10 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 46mm46mm
Diamond Collection30mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 46mm40h
Diamond Collection40h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 46mm300m
Diamond Collection50m
MSRP
OSAR-D (Original SAR with Date) Automatic 46mm$2,500
Diamond Collection$525

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
46mm
30mm
Thickness
13mm
6.3mm
Lug-to-Lug
43.5mm
36.5mm
Lug Width
18mm
5mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
50m

Movement

2 specs
Caliber
Sellita SW220-1
7N01
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$2,500
$525

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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 46mm

The Marathon OSAR-D (Original SAR with Date) Automatic 46mm is widely regarded as a rugged and legible timepiece, featuring a familiar geometric dial with MaraGlo lume and a white dial with applied hour markers that enhance legibility. Owners and reviewers note its 300-meter water resistance and the reliable Swiss-made Sellita SW200-1 automatic movement with improved shock protection. The watch is described as large, thick, and heavy, with some owners finding it comfortable on the wrist while others note its substantial presence, particularly at a table. Overall, owners and reviewers appreciate the Marathon OSAR-D (Original SAR with Date) Automatic 46mm for its rugged build and excellent legibility.

Seiko Diamond Collection

The Seiko Diamond Collection is widely praised by owners for its stunning beauty, featuring 14 diamonds, a mother-of-pearl dial, and a two-tone color scheme. Reviewers note its dial is difficult to capture in photos and that its fit and finish suggest excellent value, especially when purchased on sale. One owner describes the gold plating on the bracelet showing some fading from desk work, and its gold tone may not suit all tastes. Overall, owners rate the Seiko Diamond Collection highly for its striking aesthetics and perceived value.

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