Seiko Cal. 5647 - 159

The Seiko 5647-159 represents an important milestone in Seiko's 1976 lineup. With its 20mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-85b6eefd806b]

Also known as: Sea Horse, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1976

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