Seiko Cal. 5651 - 891

The Seiko 5651-891 represents an important milestone in Seiko's 1966 lineup. With its 20mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-aef620bd0a01]

Also known as: Tuna, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1966

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