Side by side

Sinn 856 S UTCvsSternglas Naos Pro Automatik

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

856 S UTC
Sinn856 S UTC
MSRP $2,938
Naos Pro Automatik
SternglasNaos Pro Automatik
MSRP $755

At a glance

17 of 29 specs differ
Diameter
856 S UTC40mm
Naos Pro Automatik38mm
Power Reserve
856 S UTC38h
Naos Pro Automatik42h
Water Resistance
856 S UTC200m
Naos Pro Automatik50m
MSRP
856 S UTC$2,938
Naos Pro Automatik$755

Full specifications

Case

7 specs
Category
Tool
Dress
Diameter
40mm
38mm
Thickness
11mm
9mm
Lug-to-Lug
42.4mm
Finish
black
Brushed and polished
Water Resistance
200m
50m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Black
Indices
Applied
Lume
Luminescent
Luminova Punkte

Movement

4 specs
Caliber
SW 330-1
Miyota 9015
Power Reserve
38h
42h
Jewels
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$2,938
$755

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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.

Sinn 856 S UTC

Owners widely praise the Sinn 856 S UTC for its legibility, robust build, and versatile wearability as an everyday and business-casual timepiece. The watch is frequently chosen for its adventurous UTC functionality and durability features, including tegimentation, anti-magnetism, and humidity protection, making it suitable for frequent travel. One owner reports accuracy of approximately -10 seconds per day. On balance, owners rate the Sinn 856 S UTC highly for its practical functionality and rugged construction.

Sternglas Naos Pro Automatik

The Sternglas Naos Pro Automatik is praised for its slim 9mm case and Bauhaus dial design, featuring clear hour markers and a framed date window. Owners note the upgraded Miyota 9015 movement with a 4Hz beat rate. Accuracy is reported as -10/+30 seconds per day, which is not ideal for precision enthusiasts. The five-link bracelet's lack of fitted end-links and the optional bracelet's chunkiness are flagged as areas lacking refinement. Overall, reviewers highlight the Sternglas Naos Pro Automatik's improved wearability and premium feel at its price point.

From video reviewers

The Bauhaus design is a strength. The value proposition is a weakness.

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