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Hamilton American Classic Intra-Matic Auto ChronovsKnot Watches ATC-40BKBK

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

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American Classic Intra-Matic Auto Chrono
HamiltonAmerican Classic Intra-Matic Auto Chrono
MSRP $2,645
See the full American Classic Intra-Matic Auto Chrono
ATC-40BKBK
Knot WatchesATC-40BKBK
MSRP $1,331
See the full ATC-40BKBK
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At a glance

9 of 29 specs differ
Diameter
American Classic Intra-Matic Auto Chrono40mm
ATC-40BKBK40mm
Power Reserve
American Classic Intra-Matic Auto Chrono60h
ATC-40BKBK45h
Water Resistance
American Classic Intra-Matic Auto Chrono100m
ATC-40BKBK100m
MSRP
American Classic Intra-Matic Auto Chrono$2,645
ATC-40BKBK$1,331

Full specifications

Case

4 specs
Category
Chronograph
—
Thickness
14.45mm
13.5mm
Lug Width
20mm
0mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
White
Black

Movement

3 specs
Caliber
Hamilton H-31
Seiko NE88
Power Reserve
60h
45h
Jewels
0
34

Pricing

1 specs
MSRP
$2,645
$1,331
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Knot Watches ATC-40BKBKvsBaltic Scalegraph ClassicKnot Watches ATC-40BKBKvsZelos VitesseKnot Watches ATC-40BKBKvsZelos Starfighter ChronographKnot Watches ATC-40BKBKvsBaltic ScalegraphHamilton American Classic Intra-Matic Auto ChronovsKnot Watches ATC-40Hamilton American Classic Intra-Matic Auto ChronovsKnot Watches ATC-40SVJRBK-R_LD-16SVSV-ATC-40
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