Seiko Cal. 6651 - 213

The Seiko 6651-213 represents an important milestone in Seiko's 1976 lineup. With its 20mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-5202dd756ffb]

Also known as: Monster, Bullhead

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1976

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