Knot Watches TSC-40 ChronographvsSeiko Prospex Speedtimer

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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.

Knot Watches TSC-40 Chronograph at true scale

TSC-40 Chronograph

Seiko Prospex Speedtimer at true scale

Prospex Speedtimer

Diameter

40mm

42mm

Lug-to-Lug

n/a

49.6mm

Thickness

11mm

lowest

12.9mm

Water Resistance

100m

100m

MSRP

$281

lowest

$2,200

Movement

Seiko (Epson) VR43

Seiko 5X83

Case

5 specs
Diameter
40mm
42mm
Thickness
11mm
12.9mm
Lug-to-Lug
n/a
49.6mm
Lug Width
18mm
20mm
Material
Titanium
Stainless Steel

Crystal & Dial

4 specs
Crystal Shape
n/a
Curved
AR Coating
n/a
Super-clear coating
Dial Color
Black
n/a
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Seiko (Epson) VR43
Seiko 5X83
Type
Solar
Quartz
Jewels
0
14

Pricing

1 specs
MSRP
$281
$2,200
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Reviews

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

Knot Watches TSC-40 Chronograph

Owners widely praise the Knot TSC-40 Chronograph's design and value, with one owner calling it a well-made souvenir from Tokyo appreciating its Japanese origin and exclusivity. The watch is noted for its lightness and a soft, ready-to-wear leather strap, though one owner found the strap disappointing and the engraving quality lacking. Another owner found the 18mm strap width slimmer than desired on the 39mm model. The Knot TSC-40 Chronograph utilizes a Seiko (Epson) VR43 solar chronograph movement and features double-drilled lugs for strap changes. Overall, owners rate the Knot TSC-40 Chronograph highly for its design and value proposition, with the main points of contention being strap quality and engraving.

Seiko Prospex Speedtimer

Owners praise the Seiko Prospex SPEEDTIMER's unique dial colors, with one highlighting a red dial and another a cream and purple-gray panda. Some owners find the 39mm variants sturdy, reliable, and versatile for everyday wear. A few owners express a preference for automatic movements over the quartz caliber. One reviewer notes a price of €860/£730 for a Speedtimer variant. On balance, owners appreciate the Seiko Prospex SPEEDTIMER's distinctive design and everyday wearability, though some find the quartz movement and price points to be drawbacks.

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