Side by side
Sheffield SCR CHRONO SWvsSeiko Prospex SPEEDTIMER Mechanical
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 SPEEDTIMER Mechanical39.5mm
Power Reserve
SCR CHRONO SW63h
Prospex SPEEDTIMER Mechanical72h
Water Resistance
SCR CHRONO SW100m
Prospex SPEEDTIMER Mechanical200m
MSRP
SCR CHRONO SW—
Prospex SPEEDTIMER Mechanical$995
Full specifications
Case
4 specsDiameter
42mm
39.5mm
Thickness
14.65mm
12mm
Lug-to-Lug
46.5mm
44.5mm
Water Resistance
100m
200m
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
6R55
Power Reserve
63h
72h
Jewels
25
24
Pricing
1 specsMSRP
—
$995
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