Seiko Cal. 6647 - 396

This Spring Drive model from 1989 features a 39mm Stainless Steel case. With its 20mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-157d3332b2c5]

Also known as: Bellmatic, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1989

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