Side by side

Echo/Neutra 1956 ChronovsSinn U1 S L

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

U1 S L
SinnU1 S L
MSRP $3,532
What people say

Owners + reviewers, side by side

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

Echo/Neutra 1956 Chrono

Owners widely praise the Echo/Neutra 1956 Chrono for its gorgeous looks and clean design, with one owner calling it a top 5 watch in their collection. The 40mm size and included straps are noted as comfortable and wearable. Some owners find the watch difficult to read in dull lighting. One owner of a 1956 GMT reported a non-screwing crown, and another owner of a 1956 GMT noted a misaligned bezel. Overall, owners rate the Echo/Neutra 1956 Chrono highly for its aesthetic appeal and wearability.

From video reviewers

The watch offers a Swiss-made Sellita SW510M BH b manual-wind movement and a comfortable 40mm diameter. The ultra-domed sapphire crystal provides significant vintage flair.

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

19 of 29 specs differ
Diameter
1956 Chrono40mm
U1 S L44mm
Power Reserve
1956 Chrono48h
U1 S L38h
Water Resistance
1956 Chrono100m
U1 S L1,000m
MSRP
1956 Chrono$2,060
U1 S L$3,532

Full specifications

Case

9 specs
Category
Chronograph
Diver
Diameter
40mm
44mm
Thickness
14.1mm
14.7mm
Lug-to-Lug
46mm
Lug Width
0mm
22mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed + Polished
black
Water Resistance
100m
1000m
Caseback
Solid screw-down

Crystal & Dial

4 specs
Crystal Shape
Ultra-domed
Dial Color
White
Black
Indices
Lume
Superluminova Old Radium
Luminescent

Movement

5 specs
Caliber
Sellita SW510
Sellita SW200-1
Type
Manual
Automatic
Power Reserve
48h
38h
Jewels
23
26
Complications
GMT, Chronograph, Moonphase, Date
None

Pricing

1 specs
MSRP
$2,060
$3,532
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