Seiko Cal. 6364 - 644

This Spring Drive model from 1965 features a 45mm PVD Black case. With its 20mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-557d55db8961]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

White

Jewels

24j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1965

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