Side by side
Sheffield SCR CHRONO SWvsSeiko Prospex SPEEDTIMER Mechanical Chronograph
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
SCR CHRONO SW42mm
Prospex SPEEDTIMER Mechanical Chronograph42mm
Power Reserve
SCR CHRONO SW63h
Prospex SPEEDTIMER Mechanical Chronograph45h
Water Resistance
SCR CHRONO SW100m
Prospex SPEEDTIMER Mechanical Chronograph100m
MSRP
SCR CHRONO SW—
Prospex SPEEDTIMER Mechanical Chronograph$2,500
Full specifications
Case
2 specsThickness
14.65mm
14.6mm
Lug-to-Lug
46.5mm
49.5mm
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
8R48
Power Reserve
63h
45h
Jewels
25
34
Pricing
1 specsMSRP
—
$2,500
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