Seiko Cal. 6647 - 115

This Automatic model from 1978 features a 35mm PVD Black case. Powered by the 6647 caliber with 27j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-01112c35dce4]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1978

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