Side by side
Knot Watches Knot AT1-40SSVvsSeiko Prospex Sea 1968 Heritage Diver's GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
12 of 29 specs differDiameter
Knot AT1-40SSV40mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
Knot AT1-40SSV42h
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
Knot AT1-40SSV200m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
Knot AT1-40SSV$628
Prospex Sea 1968 Heritage Diver's GMT$1,500
Full specifications
Case
6 specsCategory
—
Diver
Diameter
40mm
42mm
Thickness
11mm
12.9mm
Lug-to-Lug
40mm
48.6mm
Lug Width
0mm
20mm
Material
316L Stainless Steel
Stainless Steel
Crystal & Dial
3 specsAR Coating
—
Anti-reflective coating on inner surface
Dial Color
Black
—
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
2 specsCaliber
Miyota 9015
Seiko 6R54
Power Reserve
42h
72h
Pricing
1 specsMSRP
$628
$1,500
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