ALATO Timescope Automatic 100m 39.8mmvsTuseno Shellback

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

ALATO Timescope Automatic 100m 39.8mm at true scale

Timescope Automatic 100m 39.8mm

Tuseno Shellback at true scale

Shellback

Diameter

39.8mm

40mm

Lug-to-Lug

n/a

47mm

Thickness

10.9mm

lowest

11.9mm

Water Resistance

100m

200m

highest

Power Reserve

38h

n/a

MSRP

$800

lowest

$840

Movement

Sellita SW200-1

Sellita SW200-1

Case

5 specs
Category
n/a
Field
Diameter
39.8mm
40mm
Thickness
10.95mm
11.9mm
Lug-to-Lug
n/a
47mm
Water Resistance
100m
200m

Crystal & Dial

2 specs
Dial Color
n/a
Yellow
Lume
None
Super-LumiNova

Movement

1 specs
Power Reserve
38hh
n/a

Pricing

1 specs
MSRP
$800
$840
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Reviews

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

ALATO Timescope Automatic 100m 39.8mm

Owners widely praise the ALATO Timescope Automatic 100m 39.8mm for its slim and sleek wearability, noting its sub-11mm thickness and 45.5mm lug-to-lug measurement. The use of a Sellita SW200-1b movement is also a point of appreciation, with one commenter preferring it over a Miyota 9 series. The watch features a sapphire crystal and Super-LumiNova BGW9 lume. On balance, owners rate the ALATO Timescope Automatic 100m 39.8mm highly for its comfortable dimensions and the quality of its movement.

Tuseno Shellback

Tuseno Shellback owners and reviewers widely praise its outstanding value and brilliant execution, highlighting its well-laid-out dial, crisp finishing, and balanced design. The sandwich dial, particularly the white and blue variants, is a frequent point of admiration, with one owner noting the lume appears light blue. The watch offers a substantial feel at 153 grams on the bracelet and a comfortable 40mm diameter, featuring a toolless micro-adjustment mechanism. While one reviewer noted a stiff bezel action, another owner described exceptionally crisp bezel action with zero play. Sources mention a Sellita SW200-1 or Ronda R150 movement, with one noting the Ronda's stated accuracy of ±12 seconds per day and 40-hour power reserve. Overall, owners and reviewers rate the Tuseno Shellback highly for its exceptional value and standout dial design.

From video reviewers

The build quality is cited as a significant strength. Availability is a weakness, with stock running low.