Side by side
Sheffield Chrono IIvsSeiko Prospex SPEEDTIMER Mechanical
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Chrono II40mm
Prospex SPEEDTIMER Mechanical39.5mm
Power Reserve
Chrono II—
Prospex SPEEDTIMER Mechanical72h
Water Resistance
Chrono II100m
Prospex SPEEDTIMER Mechanical200m
MSRP
Chrono II—
Prospex SPEEDTIMER Mechanical$995
Full specifications
Case
4 specsDiameter
40mm
39.5mm
Thickness
13mm
12mm
Lug-to-Lug
48mm
44.5mm
Water Resistance
100m
200m
Crystal & Dial
4 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Blue
Black
Lume
None
LumiBrite on hands and index(es)
Movement
4 specsCaliber
Seiko VK64
6R55
Type
Mecaquartz
Automatic
Power Reserve
—
72h
Jewels
25
24
Pricing
1 specsMSRP
—
$995
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