Seiko Cal. 6646 - 663

This Automatic model from 1989 features a 38mm Stainless Steel case. With its 19mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-4985362f97a0]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1989

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