Side by side

Sinn U1 S LvsZelos Blacktip 41

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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.

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.

Zelos Blacktip 41

The Zelos Blacktip 41 is widely praised for its exceptional quality and value, featuring a titanium case, sapphire crystal, and a reliable Miyota 9015 movement. Owners and reviewers highlight its well-proportioned 41mm case with strong ergonomics, a 47.5mm lug-to-lug, and a 11.5mm thickness, making it a comfortable diver for many. The watch boasts eye-catching dials with grained textures and degrade effects, complemented by large applied indices, a lume-filled crown, and strong two-tone lume. The bezel action is described as having firm clicks with a slight return. The Miyota 9015 movement provides near-COSC accuracy and a 200m water resistance. On balance, owners and reviewers rate the Zelos Blacktip 41 highly for its superb value and well-executed dive watch features at its price point.

From video reviewers

The Zelos Blacktip 41 offers excellent value at its price point. Reviewers noted the meteorite dial as a unique feature.

At a glance

19 of 29 specs differ
Diameter
U1 S L44mm
Blacktip 4141mm
Power Reserve
U1 S L38h
Blacktip 41
Water Resistance
U1 S L1,000m
Blacktip 41200m
MSRP
U1 S L$3,532
Blacktip 41$499

Full specifications

Case

8 specs
Diameter
44mm
41mm
Thickness
14.7mm
12mm
Lug-to-Lug
41mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
black
Water Resistance
1000m
200m
Caseback

Crystal & Dial

6 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
AR Coating
Underside
Dial Color
Black
Teal
Indices
Lume
Luminescent
None

Movement

4 specs
Caliber
Sellita SW200-1
Miyota 9015
Beat Rate
28,800 vph
0 vph
Power Reserve
38h
0h
Jewels
26
0

Pricing

1 specs
MSRP
$3,532
$499
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