Side by side

Sternglas Naos GroßdatumvsTimefactors Commando PRS-47

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

Naos Großdatum
SternglasNaos Großdatum
MSRP $323
Commando PRS-47
TimefactorsCommando PRS-47
MSRP $463
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 Großdatum

The Sternglas Naos Großdatum is praised for its Bauhaus aesthetic and value, with one owner finding it an affordable alternative to other designs. However, some owners report it feels underwhelming and cheap, with a printed-on face, small font, and toy-like hands, and find the strap to be of poor quality. The watch features a 38mm stainless steel case, an Alabaster dial with beige LumiNova, and a Seiko TMI VJ76 quartz movement rated for -20/+20 seconds per month. On balance, owners and reviewers are divided, with the primary point of contention being the perceived quality and aesthetic execution of the Sternglas Naos Großdatum.

Timefactors Commando PRS-47

Owners widely praise the Timefactors Commando PRS-47 for its faithful vintage design, particularly the tropical dial and hi-dome acrylic or sapphire crystal which enhances its visual appeal. The 36mm case size is frequently highlighted as a positive, offering a comfortable and historically accurate fit, complemented by 20mm lug spacing. Some owners note the Miyota 9039 movement's accuracy, with one reporting +1 second per day. Criticisms include the stock bracelet clasp being flimsy or a "solid MEH," and one owner found the 36mm size too small. On balance, owners rate the Timefactors Commando PRS-47 highly for its vintage aesthetic and wearability at the price.

At a glance

11 of 29 specs differ
Diameter
Naos Großdatum38mm
Commando PRS-4736mm
Power Reserve
Naos Großdatum
Commando PRS-47
Water Resistance
Naos Großdatum50m
Commando PRS-47100m
MSRP
Naos Großdatum$323
Commando PRS-47$463

Full specifications

Case

5 specs
Category
Dress
Diameter
38mm
36mm
Thickness
10mm
11.3mm
Lug-to-Lug
42mm
43.5mm
Water Resistance
50m
100m

Crystal & Dial

2 specs
Dial Color
Tropical
Lume
Luminova Punkten
SuperLuminova X1-C3

Movement

3 specs
Caliber
Seiko VJ76
Miyota 9039
Type
Quartz
Automatic
Jewels
25

Pricing

1 specs
MSRP
$323
$463
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