Seiko Prospex SpeedtimervsWhitby Watch Co. Intrepid X
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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

Intrepid X
Diameter
42.5mm
44mm
Lug-to-Lug
50mm
50mm
Thickness
15.1mm
15mm
lowest
Water Resistance
100m
100m
Power Reserve
45h
highest
44h
MSRP
$3,000
$1,175
lowest
Movement
Seiko 8R46
Valjoux 7750
Case
3 specsDiameter
42.5mm
44mm
Thickness
15.1mm
15mm
Lug Width
20mm
22mm
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 8R46
Valjoux 7750
Power Reserve
45h
44h
Jewels
34
0
Pricing
1 specsMSRP
$3,000
$1,175
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