Side by side
Knot Watches Knot Timepiece Automatic Open Heart Small SecondsvsUndone Undone
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
9 of 29 specs differDiameter
Knot Timepiece Automatic Open Heart Small Seconds38mm
Undone40mm
Power Reserve
Knot Timepiece Automatic Open Heart Small Seconds—
Undone—
Water Resistance
Knot Timepiece Automatic Open Heart Small Seconds50m
Undone50m
MSRP
Knot Timepiece Automatic Open Heart Small Seconds$281
Undone$250
Full specifications
Case
3 specsDiameter
38mm
40mm
Thickness
13mm
0mm
Material
316L Stainless Steel
Stainless Steel
Crystal & Dial
2 specsCrystal
Sapphire
—
Dial Color
Silver
—
Movement
3 specsCaliber
Miyota 8N40
Seiko 9F88
Type
Automatic
Quartz
Power Reserve
0h
—
Pricing
1 specsMSRP
$281
$250
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