Seiko Cal. 6639 - 616

This Automatic model from 1979 features a 40mm Stainless Steel case. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-fcc7db25097b]

Also known as: Samurai, Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1979

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