Side by side

Sternglas Naos GroßdatumvsTimefactors PRS-10

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

Naos Großdatum
SternglasNaos Großdatum
MSRP $323
PRS-10
TimefactorsPRS-10
MSRP $302
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 PRS-10

Owners praise the Timefactors PRS-10 as a rugged, affordable military field watch, valuing its robust build and 100m water resistance for daily wear, with its 39.1mm bead-blasted stainless steel case considered a perfect size by some. One user dislikes the large dial numbers, while others favor the acrylic crystal for its ease of polishing and the watch's overall sturdiness over more delicate alternatives. On balance, the consensus is that the Timefactors PRS-10 is highly regarded for its durable construction and practical specifications at a competitive price point.

At a glance

9 of 29 specs differ
Diameter
Naos Großdatum38mm
PRS-1039.1mm
Power Reserve
Naos Großdatum
PRS-10
Water Resistance
Naos Großdatum50m
PRS-10100m
MSRP
Naos Großdatum$323
PRS-10$302

Full specifications

Case

4 specs
Category
Dress
Diameter
38mm
39.1mm
Thickness
10mm
11.2mm
Water Resistance
50m
100m

Crystal & Dial

2 specs
Dial Color
Black
Lume
Luminova Punkten
None

Movement

2 specs
Caliber
Seiko VJ76
Ronda 715Li
Jewels
25

Pricing

1 specs
MSRP
$323
$302
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