Seiko Cal. 6647 - 158

The 6647-158 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6647 caliber with 26j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-ff4d90cbaa00]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1982

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