Seiko Prospex Speedtimer MechanicalvsTool Watch Co TWCO. Rally Chronograph Blue on Silver
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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.
Prospex Speedtimer Mechanical
TWCO. Rally Chronograph Blue on Silver
Diameter
39.5mm
38mm
Lug-to-Lug
44.5mm
lowest
46.4mm
Thickness
12mm
lowest
12.3mm
Water Resistance
200m
highest
30m
Power Reserve
72h
n/a
MSRP
$995
$395
lowest
Movement
Seiko 6R55
Seiko VK64
Case
4 specsDiameter
39.5mm
38mm
Thickness
12mm
12.3mm
Lug-to-Lug
44.5mm
46.4mm
Water Resistance
200m
30m
Crystal & Dial
4 specsCrystal
Sapphire
n/a
Crystal Shape
Curved
n/a
AR Coating
Anti-reflective coating on inner surface
n/a
Lume
LumiBrite on hands and index(es)
None
Movement
4 specsCaliber
Seiko 6R55
Seiko VK64
Type
Automatic
Meca-Quartz
Power Reserve
72h
0h
Jewels
24
0
Pricing
1 specsMSRP
$995
$395
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