Seiko Cal. 6643 - 269

The Seiko 6643-269 represents an important milestone in Seiko's 1979 lineup. Powered by the 6643 caliber with 23j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-4f7966a3814c]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1979

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