Side by side

Chronotechna NanoBlackvsDecima Gatekeeper

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

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NanoBlack
ChronotechnaNanoBlack
Gatekeeper
DecimaGatekeeper
MSRP $599
Buy from Chronotechna ↗
Buy used on eBay ↗
Buy from Decima ↗
Buy used on eBay ↗

At a glance

9 of 29 specs differ
Diameter
NanoBlack42mm
Gatekeeper38mm
Power Reserve
NanoBlack38h
Gatekeeper42h
Water Resistance
NanoBlack100m
Gatekeeper50m
MSRP
NanoBlack—
Gatekeeper$599

Full specifications

Case

5 specs
Diameter
42mm
38mm
Thickness
11.65mm
9.9mm
Lug-to-Lug
47.90mm
46mm
Lug Width
22mm
—
Water Resistance
100m
50m

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

2 specs
Caliber
Sellita SW200-1
Miyota 9039
Power Reserve
38h
42h

Pricing

1 specs
MSRP
—
$599
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