Side by side

Chronotechna NanoBlackvsZero West S4 Blackout P9427 Spitfire

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

NanoBlack
ChronotechnaNanoBlack
S4 Blackout P9427 Spitfire
Zero WestS4 Blackout P9427 Spitfire

At a glance

7 of 29 specs differ
Diameter
NanoBlack42mm
S4 Blackout P9427 Spitfire44mm
Power Reserve
NanoBlack38h
S4 Blackout P9427 Spitfire38h
Water Resistance
NanoBlack100m
S4 Blackout P9427 Spitfire100m
MSRP
NanoBlack
S4 Blackout P9427 Spitfire

Full specifications

Case

3 specs
Diameter
42mm
44mm
Thickness
11.65mm
14.1mm
Lug-to-Lug
47.90mm
49.6mm

Crystal & Dial

1 specs
Dial Color
White
Black

Movement

2 specs
Caliber
Sellita SW200-1
ETA 2824
Power Reserve
38h
38h

Pricing

1 specs
MSRP
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