Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 46mmvsCitizen Series 8 870

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
Series 8 870
CitizenSeries 8 870
MSRP $1,095

At a glance

12 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 46mm46mm
Series 8 87039mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 46mm40h
Series 8 87042h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 46mm300m
Series 8 870100m
MSRP
OSAR-D (Original SAR with Date) Automatic 46mm$2,500
Series 8 870$1,095

Full specifications

Case

7 specs
Category
Diver
Sport
Diameter
46mm
39mm
Thickness
13mm
12mm
Lug-to-Lug
43.5mm
46mm
Lug Width
18mm
11mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Underside
Dial Color
Black
Green

Movement

2 specs
Caliber
Sellita SW220-1
9051
Power Reserve
40h
42h

Pricing

1 specs
MSRP
$2,500
$1,095

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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.

Citizen Series 8 870

The Citizen Series 8 870 is praised for its compelling value proposition and modern Japanese design with a sporty edge. Reviewers note its 40mm steel case, glossy dial with applied markers, and the in-house Calibre 0950 automatic movement offering 50 hours of power reserve and enhanced magnetic resistance. The flat sapphire crystal is noted to collect fingerprints, and the solid caseback omits a view of the movement. The limited edition variant features a 40.8mm black DLC-coated case, a carbon fiber dial, and the 0950 movement regulated to -5/+10 seconds per day. Overall, the Citizen Series 8 870 is viewed as a strong offering for its blend of design and features.

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