Seiko Cal. 6643 - 305

This Solar model from 1989 features a 41mm PVD Black case. Powered by the 6643 caliber with 25j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-2c9494c78288]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1989

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