Seiko Cal. 5646 - 989

Released in 1966, the Cal. 5646 with design code 989 was part of Seiko's domestic market collection. With its 21mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-9ec60ba0a7c9]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1966

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