Side by side
Chronotechna NanoBlackvsDuFrane Watches Bergstrom 42mm MkIV Manual Wind Pilot Watch
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
NanoBlack42mm
Bergstrom 42mm MkIV Manual Wind Pilot Watch41.5mm
Power Reserve
NanoBlack38h
Bergstrom 42mm MkIV Manual Wind Pilot Watch48h
Water Resistance
NanoBlack100m
Bergstrom 42mm MkIV Manual Wind Pilot Watch50m
MSRP
NanoBlack—
Bergstrom 42mm MkIV Manual Wind Pilot Watch$999
Full specifications
Case
5 specsDiameter
42mm
41.5mm
Thickness
11.65mm
11mm
Lug-to-Lug
47.90mm
50mm
Lug Width
22mm
22mm
Water Resistance
100m
50m
Crystal & Dial
1 specsDial Color
White
—
Movement
3 specsCaliber
Sellita SW200-1
Sellita SW261-M
Type
Automatic
Manual
Power Reserve
38h
48h
Pricing
1 specsMSRP
—
$999
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