Timefactors Speedbird III PRS-22vsTuseno 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.

Timefactors Speedbird III PRS-22 at true scale

Speedbird III PRS-22

Tuseno Shellback at true scale

Shellback

Diameter

39mm

40mm

Lug-to-Lug

46mm

lowest

47mm

Thickness

11.7mm

lowest

11.9mm

Water Resistance

100m

200m

highest

MSRP

$651

lowest

$840

Movement

Sellita SW200-1

Sellita SW200-1

Case

4 specs
Diameter
39mm
40mm
Thickness
11.7mm
11.9mm
Lug-to-Lug
46mm
47mm
Water Resistance
100m
200m

Crystal & Dial

2 specs
Dial Color
Black
Yellow
Lume
None
Super-LumiNova

Pricing

1 specs
MSRP
$651
$840
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Reviews

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

Timefactors Speedbird III PRS-22

Owners widely praise the Timefactors Speedbird III PRS-22 for its exceptional finishing and casework, often comparing it favorably to much more expensive brands. Specific highlights include the applied indices, substantial lume, comfortable bracelet, and screw-down crown. Some owners note that the watch's short lugs can make strap changes difficult. The movement, a Sellita SW200-1, is generally considered robust for a tool watch, though some owners expressed a preference for alternative movements. Overall, owners rate the Timefactors Speedbird III PRS-22 highly for its value and refined finishing, rivaling watches at significantly higher price points.

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.