Side by side

Citizen Series 8 870vsMarathon MSAR (Medium Search & Rescue) Diver's Quartz

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

Series 8 870
CitizenSeries 8 870
MSRP $1,095
MSAR (Medium Search & Rescue) Diver's Quartz
MarathonMSAR (Medium Search & Rescue) Diver's Quartz
MSRP $1,450

At a glance

13 of 29 specs differ
Diameter
Series 8 87039mm
MSAR (Medium Search & Rescue) Diver's Quartz36mm
Power Reserve
Series 8 87042h
MSAR (Medium Search & Rescue) Diver's Quartz40h
Water Resistance
Series 8 870100m
MSAR (Medium Search & Rescue) Diver's Quartz300m
MSRP
Series 8 870$1,095
MSAR (Medium Search & Rescue) Diver's Quartz$1,450

Full specifications

Case

7 specs
Category
Sport
Diver
Diameter
39mm
36mm
Thickness
12mm
18mm
Lug-to-Lug
46mm
Lug Width
11mm
18mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

2 specs
AR Coating
Underside
Inner
Dial Color
Green
Black

Movement

3 specs
Caliber
9051
Swiss High-Torque Quartz
Type
Automatic
Quartz
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$1,095
$1,450

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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.

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.

Marathon MSAR (Medium Search & Rescue) Diver's Quartz

Owners widely praise the Marathon MSAR (Medium Search & Rescue) Diver's Quartz for its tool-like aesthetic, bright tritium lume, and satisfying bezel action, making it enjoyable to handle and use. One owner finds the 36mm case comfortable after an initial adjustment period, while another reports accuracy within a few seconds of atomic time. On balance, owners rate the Marathon MSAR (Medium Search & Rescue) Diver's Quartz highly for its superb value and enjoyable tool-watch characteristics.

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