Seiko Cal. 5681 - 600

The Seiko 5681-600 represents an important milestone in Seiko's 1971 lineup. With its 20mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-90495bb24a73]

Also known as: Pogue, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1971

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