Seiko Prospex SPEEDTIMER Mechanical ChronographvsTimefactors Vanguard
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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 Chronograph
Vanguard
Diameter
42mm
40mm
Lug-to-Lug
49.5mm
48mm
lowest
Thickness
14.6mm
lowest
16mm
Water Resistance
100m
100m
Power Reserve
45h
n/a
MSRP
$2,500
$1,027
lowest
Movement
Seiko 8R48
Seiko NE88
Case
3 specsDiameter
42mm
40mm
Thickness
14.6mm
16mm
Lug-to-Lug
49.5mm
48mm
Crystal & Dial
4 specsCrystal Shape
Curved
n/a
AR Coating
Anti-reflective coating on inner surface
n/a
Dial Color
n/a
n/a
Lume
LumiBrite on hands and index(es)
None
Movement
3 specsCaliber
Seiko 8R48
Seiko NE88
Power Reserve
45h
n/a
Jewels
34
0
Pricing
1 specsMSRP
$2,500
$1,027
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