Side by side

HELM KhuraburivsSinn U1 S L

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

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

HELM Khuraburi

Owners widely report the HELM Khuraburi is liked, with one owner noting it arrived in perfect condition. Some owners find the HELM Khuraburi to be on the large side. On balance, owners rate the HELM Khuraburi positively for its condition and general appeal, despite some finding it large.

From video reviewers

The HELM Khuraburi offers a rugged, solid build for its price point. Availability is a significant drawback, with the watch being difficult to acquire due to infrequent stock.

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

15 of 29 specs differ
Diameter
Khuraburi42mm
U1 S L44mm
Power Reserve
Khuraburi40h
U1 S L38h
Water Resistance
Khuraburi300m
U1 S L1,000m
MSRP
Khuraburi$310
U1 S L$3,532

Full specifications

Case

6 specs
Diameter
42mm
44mm
Thickness
16mm
14.7mm
Lug-to-Lug
49mm
Finish
black
Water Resistance
300m
1000m
Caseback

Crystal & Dial

4 specs
Crystal Shape
Domed
AR Coating
Yes
Underside
Indices
Lume
Super-LumiNova
Luminescent

Movement

4 specs
Caliber
Sellita SW200-1
Beat Rate
0 vph
28,800 vph
Power Reserve
40h
38h
Jewels
24
26

Pricing

1 specs
MSRP
$310
$3,532
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