Side by side

Sternglas Marus 2.0vsTimefactors SMITHS NATO PRS-40 AUTOMATIC

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

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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 Marus 2.0

Owners widely praise the Sternglas Marus 2.0 for its well-built, heavy case and excellent bezel action, which is considered superior to some competitors. Reviewers note the refined case and luminous dial markers, while the green dial stands out from other divers. The Seiko NH35A movement offers accuracy ranging from -20/+40 seconds per day. One reviewer desired a slightly larger screw-down crown. Overall, owners and reviewers rate the Sternglas Marus 2.0 highly for its robust build and standout dial at its price point.

From video reviewers

The Seiko NH35 automatic movement is a shared strength. Reviewers did not reach a consensus on any weaknesses.

Timefactors SMITHS NATO PRS-40 AUTOMATIC

Owners widely praise the Timefactors SMITHS NATO PRS-40 AUTOMATIC for its unique, "badass," rugged, and futuristic design, with some finding its "ugly" aesthetic appealing for its bombproof nature. The Seiko 6R15 movement winds smoothly and operates quietly, and the watch features 100m water resistance and a flat sapphire crystal. The 12 o'clock crown is noted as easy to use by rolling, and the fixed lugs necessitate NATO straps. Some owners report issues with Timefactors' ordering system and customer service, and one found a speck of dust under the crystal, though another noted no imperfections. Overall, owners rate the Timefactors SMITHS NATO PRS-40 AUTOMATIC highly for its distinctive "beater" watch build and unique aesthetic at the price.

At a glance

11 of 29 specs differ
Diameter
Marus 2.041mm
SMITHS NATO PRS-40 AUTOMATIC40.2mm
Power Reserve
Marus 2.041h
SMITHS NATO PRS-40 AUTOMATIC50h
Water Resistance
Marus 2.0200m
SMITHS NATO PRS-40 AUTOMATIC100m
MSRP
Marus 2.0$593
SMITHS NATO PRS-40 AUTOMATIC$315

Full specifications

Case

6 specs
Category
Diver
Diameter
41mm
40.2mm
Thickness
14mm
12.25mm
Lug-to-Lug
49mm
54.7mm
Lug Width
20mm
22mm
Water Resistance
200m
100m

Crystal & Dial

1 specs
Lume
Luminova
None

Movement

3 specs
Caliber
Seiko NH35
Seiko 6R15
Power Reserve
41h
50h
Jewels
0

Pricing

1 specs
MSRP
$593
$315
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