Side by side

Ferro Time Master 70vsSternglas Naos Pro Automatik

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

Time Master 70
FerroTime Master 70
MSRP $685
Naos Pro Automatik
SternglasNaos Pro Automatik
MSRP $755

At a glance

11 of 29 specs differ
Diameter
Time Master 7047mm
Naos Pro Automatik38mm
Power Reserve
Time Master 7040h
Naos Pro Automatik42h
Water Resistance
Time Master 7050m
Naos Pro Automatik50m
MSRP
Time Master 70$685
Naos Pro Automatik$755

Full specifications

Case

5 specs
Category
Chronograph
Dress
Diameter
47mm
38mm
Thickness
13mm
9mm
Lug-to-Lug
47mm
42.4mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

2 specs
Dial Color
Gold
Lume
None
Luminova Punkte

Movement

3 specs
Caliber
Miyota 9039
Miyota 9015
Power Reserve
40h
42h
Jewels
25

Pricing

1 specs
MSRP
$685
$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.

Ferro Time Master 70

The Ferro Time Master 70 is praised for its distinctive 1970s-inspired polygon case and visually striking silver dial with orange accents and unique lume colors. Owners appreciate the retro design with unique touches, clean dial, and lumed markers, along with the smooth winding of the Miyota 9039 movement. Its 39mm diameter, 10.4mm thickness, and 47mm lug-to-lug dimensions contribute to comfortable wearability, further enhanced by a well-executed faux-single link bracelet featuring a practical on-the-fly micro-adjustment clasp. On balance, owners and reviewers rate the Ferro Time Master 70 highly for its retro design and comfortable wearability.

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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