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Hamilton American Classic Intra-Matic Auto Chrono

Hamilton American Classic Intra-Matic Auto Chrono

AutomaticSteel

Ref. H38446732

Collection: American ClassicCase size: 40mmMovement: H-31

The Hamilton American Classic Intra-Matic Auto Chrono, reference H38446732, has a 40 mm steel case with black PVD coating and a chronograph. Orange accents punctuate the black dial beneath sapphire, alongside the date display and tachymeter scale. Measuring 14.45 mm thick and 49 mm from lug to lug, the case is water resistant to 100 metres and carries a screw-down crown. On a perforated calfskin strap with a pin buckle, the case has 20 mm lugs. A Nivachron balance spring regulates self-winding calibre H-31, which keeps a 60-hour power reserve.

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Last updated 23 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

CASE

Diameter

40mm

Thickness

14.45mm

Lug to Lug

49mm

Lug Width

20mm

Case Material

Steel

Water Resistance

100m

Crystal

Sapphire Crystal

MOVEMENT

Movement Type

Automatic

Caliber

H-31

Power Reserve

60h

Frequency

28,800 vph (4 Hz)

DIAL

Dial Color

Black

BRACELET/STRAP

Bracelet/Strap

Calf Skin

Clasp Type

Buckle

FEATURES & COMPLICATIONS

ChronographDatePVD/DLC coatingScrew-Down CrownTachymeter

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