Kobold Professional Chronograph IIvsSeiko Prospex Speedtimer Seiko Brand 100th Anniversary Speedtimer Limited Edition

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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.

Kobold Professional Chronograph II at true scale

Professional Chronograph II

Seiko Prospex Speedtimer Seiko Brand 100th Anniversary Speedtimer Limited Edition at true scale

Prospex Speedtimer Seiko Brand 100th Anniversary Speedtimer Limited Edition

Diameter

40mm

42mm

Lug-to-Lug

n/a

49.6mm

Thickness

14mm

12.9mm

lowest

Water Resistance

100m

100m

MSRP

$2,500

$2,400

lowest

Movement

Valjoux 7760

Seiko 5X83

Case

3 specs
Diameter
40mm
42mm
Thickness
14mm
12.9mm
Lug-to-Lug
n/a
49.6mm

Crystal & Dial

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

Movement

3 specs
Caliber
Valjoux 7760
Seiko 5X83
Type
Manual
Quartz
Jewels
0
14

Pricing

1 specs
MSRP
$2,500
$2,400
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