Side by side
Sheffield SCR CHRONO SWvsSeiko Prospex SPEEDTIMER
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
SCR CHRONO SW42mm
Prospex SPEEDTIMER41.4mm
Power Reserve
SCR CHRONO SW63h
Prospex SPEEDTIMER40h
Water Resistance
SCR CHRONO SW100m
Prospex SPEEDTIMER100m
MSRP
SCR CHRONO SW—
Prospex SPEEDTIMER$750
Full specifications
Case
4 specsDiameter
42mm
41.4mm
Thickness
14.65mm
13mm
Lug-to-Lug
46.5mm
45.9mm
Lug Width
20mm
21mm
Crystal & Dial
4 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
White
Black
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
Sellita SW510
V192
Type
Automatic
Quartz
Power Reserve
63h
40h
Pricing
1 specsMSRP
—
$750
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