Side by side
Knot Watches Knot Timepiece Automatic Open Heart Small SecondsvsSeestern MoonPhase Master Automatic S401
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures
At a glance
6 of 29 specs differDiameter
Knot Timepiece Automatic Open Heart Small Seconds38mm
MoonPhase Master Automatic S40141mm
Power Reserve
Knot Timepiece Automatic Open Heart Small Seconds—
MoonPhase Master Automatic S401—
Water Resistance
Knot Timepiece Automatic Open Heart Small Seconds50m
MoonPhase Master Automatic S40150m
MSRP
Knot Timepiece Automatic Open Heart Small Seconds$281
MoonPhase Master Automatic S401$200
Full specifications
Case
3 specsDiameter
38mm
41mm
Thickness
13mm
13.5mm
Material
316L Stainless Steel
Stainless Steel
Crystal & Dial
1 specsDial Color
Silver
—
Movement
1 specsCaliber
Miyota 8N40
Seagull ST2528
Pricing
1 specsMSRP
$281
$200
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
DiscussionNot started
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Orient Star Semi SkeletonvsSeestern MoonPhase Master Automatic S401Orient Star Modern SkeletonvsSeestern MoonPhase Master Automatic S401Orient Star Layered SkeletonvsSeestern MoonPhase Master Automatic S401Charlie Paris Watches INITIAL - Squelette Steel (40mm automatic)vsSeestern MoonPhase Master Automatic S401Knot Watches Knot Timepiece Automatic Open Heart Small SecondsvsSpinnaker Tesei TitaniumKnot Watches Knot Timepiece Automatic Open Heart Small SecondsvsThorn Vintage 50-Fathoms No-Rad Bronze Dive Watch














