Side by side

Citizen Series 8 870vsSternglas Naos XS

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 XS
SternglasNaos XS
MSRP $247

At a glance

13 of 29 specs differ
Diameter
Series 8 87039mm
Naos XS33mm
Power Reserve
Series 8 87042h
Naos XS
Water Resistance
Series 8 870100m
Naos XS50m
MSRP
Series 8 870$1,095
Naos XS$247

Full specifications

Case

6 specs
Category
Sport
Dress
Diameter
39mm
33mm
Thickness
12mm
6mm
Lug-to-Lug
46mm
36mm
Lug Width
11mm
16mm
Water Resistance
100m
50m

Crystal & Dial

2 specs
AR Coating
Underside
Inner
Dial Color
Green

Movement

4 specs
Caliber
9051
Ronda 784
Type
Automatic
Quartz
Power Reserve
42h
Jewels
25

Pricing

1 specs
MSRP
$1,095
$247

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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 XS

Owners widely praise the Sternglas Naos XS for its simple, awesome design, domed sapphire crystal, and clean hands, with one owner highlighting the beautiful blue mother-of-pearl dial and top-notch build quality on a special edition. It is recommended as a durable, refined daily wear watch for around $270, suitable for casual and formal occasions. However, one owner found the Sternglas Naos XS to have a cheap feel and a face resembling a toy, noting it wears smaller than expected, while another described the automatic movement as a bit noisy. On balance, owners rate the Sternglas Naos XS highly for its refined design and value, with specific praise for the mother-of-pearl dial on special editions.

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