Seiko Cal. 5644 - 386

Released in 1966, the Cal. 5644 with design code 386 was part of Seiko's domestic market collection. With its 21mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-8bf5db1b17f1]

Also known as: Crown, Emperor

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1966

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