Kobold Professional Chronograph IIvsSeiko Prospex Speedtimer Mechanical Chronograph
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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.
Professional Chronograph II
Prospex Speedtimer Mechanical Chronograph
Diameter
40mm
42mm
Lug-to-Lug
n/a
49.5mm
Thickness
14mm
lowest
14.6mm
Water Resistance
100m
100m
Power Reserve
n/a
45h
MSRP
$2,500
$2,500
Movement
Valjoux 7760
Seiko 8R48
Case
3 specsDiameter
40mm
42mm
Thickness
14mm
14.6mm
Lug-to-Lug
n/a
49.5mm
Crystal & Dial
4 specsCrystal Shape
n/a
Curved
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
n/a
n/a
Lume
None
LumiBrite on hands and index(es)
Movement
4 specsCaliber
Valjoux 7760
Seiko 8R48
Type
Manual
Automatic
Power Reserve
0h
45h
Jewels
0
34
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