Side by side

Sternglas Naos Automatik Edition 60vsTissot Gentleman Open Heart

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

Naos Automatik Edition 60
SternglasNaos Automatik Edition 60
MSRP $539
Gentleman Open Heart
TissotGentleman Open Heart
MSRP $1,025

At a glance

15 of 29 specs differ
Diameter
Naos Automatik Edition 6038mm
Gentleman Open Heart40mm
Power Reserve
Naos Automatik Edition 6060h
Gentleman Open Heart80h
Water Resistance
Naos Automatik Edition 6050m
Gentleman Open Heart100m
MSRP
Naos Automatik Edition 60$539
Gentleman Open Heart$1,025

Full specifications

Case

6 specs
Category
Dress
Chronograph
Diameter
38mm
40mm
Thickness
12mm
11.5mm
Lug-to-Lug
43mm
40mm
Lug Width
20mm
21mm
Water Resistance
50m
100m

Crystal & Dial

5 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Yes
Dial Color
Silver
Indices
Applied
Indexes
Lume
Luminova weiß und orange
Super-LumiNova ®

Movement

3 specs
Caliber
Miyota 8315
11 1/2'''
Power Reserve
60h
80h
Jewels
25

Pricing

1 specs
MSRP
$539
$1,025

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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.

Sternglas Naos Automatik Edition 60

Owners widely praise the Sternglas Naos Automatik Edition 60 for its slim 9mm case, Bauhaus design, alabaster dial, and well-proportioned hands, noting it offers good value and a sophisticated look. Some owners find the movement audible and the 38mm case wears smaller than expected, while others feel the brand lacks heritage compared to established names. One owner reports the sapphire crystal remained scratch-free after two years of daily wear. Overall, owners rate the Sternglas Naos Automatik Edition 60 highly for its attractive Bauhaus styling and affordable price point.

Tissot Gentleman Open Heart

Owners widely praise the Tissot Gentleman Open Heart for its versatile dressy-sporty aesthetic and elegant sunburst dial finish, with one owner preferring its less shiny blue dial compared to other versions. The watch offers excellent fit and bracelet adjustability, and its modified Powermatic 80 movement achieves COSC-level accuracy of -3 to +5 seconds/day, though the seconds hand movement is slightly less smooth at 6 movements per second. However, one owner reported the watch arrived non-functional, requiring a return due to an inoperable movement. On balance, owners rate the Tissot Gentleman Open Heart highly for its aesthetic appeal and accurate timekeeping, despite a reported instance of a faulty movement.

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