Side by side

Sternglas Marus 2.0vsSinn U1 S L

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.

Sinn U1 S L

The Sinn U1 S L is widely praised for its intense, full-lume dial, a feature described as new technology that glows brightly, and its unique black and white "arctic tactical" aesthetic. Owners and reviewers consistently highlight the Tegimented German submarine steel case for its exceptional scratch resistance and matte, non-reflective finish, with one owner reporting no scratches on the case after 17 years. The watch is also noted for its legibility and robust build, offering 1000m water resistance. However, some owners find the 44mm size and 14.7mm thickness wear large, and one reviewer noted the 4 o'clock crown positions lacked distinct clicks, leading to difficult date changes. Accuracy figures for the ETA 2824-2 movement vary, with one owner seeing +1/+2 s/day and another about -6 s/day. The Tegimented bracelet is reported to scratch more easily than the case by some, while others found it held up well.

At a glance

17 of 29 specs differ
Diameter
Marus 2.041mm
U1 S L44mm
Power Reserve
Marus 2.041h
U1 S L38h
Water Resistance
Marus 2.0200m
U1 S L1,000m
MSRP
Marus 2.0$593
U1 S L$3,532

Full specifications

Case

7 specs
Diameter
41mm
44mm
Thickness
14mm
14.7mm
Lug-to-Lug
49mm
Lug Width
20mm
22mm
Finish
black
Water Resistance
200m
1000m
Caseback

Crystal & Dial

5 specs
Crystal Shape
AR Coating
Underside
Dial Color
Black
Indices
Lume
Luminova
Luminescent

Movement

4 specs
Caliber
Seiko NH35
Sellita SW200-1
Beat Rate
0 vph
28,800 vph
Power Reserve
41h
38h
Jewels
26

Pricing

1 specs
MSRP
$593
$3,532
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