Side by side

Chronotechna NanoBlackvsSerket Watch Co Reef X Diver Black DLC

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

NanoBlack
ChronotechnaNanoBlack

At a glance

7 of 29 specs differ
Diameter
NanoBlack42mm
Reef X Diver Black DLC43mm
Power Reserve
NanoBlack38h
Reef X Diver Black DLC
Water Resistance
NanoBlack100m
Reef X Diver Black DLC200m
MSRP
NanoBlack
Reef X Diver Black DLC

Full specifications

Case

4 specs
Diameter
42mm
43mm
Thickness
11.65mm
12.7mm
Lug-to-Lug
47.90mm
50mm
Water Resistance
100m
200m

Crystal & Dial

1 specs
Dial Color
White
Pink

Movement

2 specs
Caliber
Sellita SW200-1
Seiko NH35
Power Reserve
38h
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