Side by side

Citizen Series 8 870vsSternglas Naos Solar

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
Naos Solar
SternglasNaos Solar
MSRP $323

At a glance

14 of 29 specs differ
Diameter
Series 8 87039mm
Naos Solar38mm
Power Reserve
Series 8 87042h
Naos Solar
Water Resistance
Series 8 870100m
Naos Solar50m
MSRP
Series 8 870$1,095
Naos Solar$323

Full specifications

Case

6 specs
Category
Sport
Dress
Diameter
39mm
38mm
Thickness
12mm
10mm
Lug-to-Lug
46mm
42mm
Lug Width
11mm
20mm
Water Resistance
100m
50m

Crystal & Dial

3 specs
AR Coating
Underside
Inner
Dial Color
Green
Lume
None
Luminova Punkten

Movement

4 specs
Caliber
9051
Seiko VJ76
Type
Automatic
Solar
Power Reserve
42h
Jewels
25

Pricing

1 specs
MSRP
$1,095
$323

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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.

Sternglas Naos Solar

Owners widely praise the Sternglas Naos Solar for its elegant Bauhaus-inspired minimalist dial, slim profile, and value for money. The scratch-resistant curved sapphire crystal and functional date mechanism are noted as durable features, with one owner reporting good wear over a year. The solar power and accuracy are highlighted as practical advantages over automatic movements, which some find loud. However, opinions are split, with some owners finding the watch underwhelming and cheap-looking, like a toy, while others love its appearance in person and its clean, appealing design as a smartwatch alternative. The stock leather strap is described as decent but basic and potentially short for larger wrists, with one owner advising a third-party replacement for durability. One owner of a different variant noted the date font is too small to be useful.

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