Seiko Cal. 5644 - 369

This Kinetic model from 1968 features a 46mm Two-Tone case. With its 21mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-5981bbea40b6]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1968

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