Ollech & Wajs Chonographe PrecisionvsSeiko Prospex Speedtimer Mechanical
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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.
Chonographe Precision
Prospex Speedtimer Mechanical
Diameter
38mm
39.5mm
Lug-to-Lug
n/a
44.5mm
Thickness
14.2mm
12mm
lowest
Water Resistance
50m
200m
highest
Power Reserve
n/a
72h
MSRP
n/a
$995
Movement
Valjoux 7733
Seiko 6R55
Case
5 specsDiameter
38mm
39.5mm
Thickness
14.2mm
12mm
Lug-to-Lug
n/a
44.5mm
Lug Width
n/a
20mm
Water Resistance
50m
200m
Crystal & Dial
5 specsCrystal
n/a
Sapphire
Crystal 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 7733
Seiko 6R55
Type
Manual
Automatic
Power Reserve
0h
72h
Jewels
0
24
Pricing
1 specsMSRP
n/a
$995
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