Seiko Cal. 5646 - 854

The Seiko 5646-854 represents an important milestone in Seiko's 1979 lineup. With its 22mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-9aace7ae7673]

Also known as: Bullhead, Navigator

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1979

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