Seiko Cal. 6647 - 635

This Solar model from 1993 features a 40mm Hardlex-Coated Steel case. Powered by the 6647 caliber with 27j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-741ab7160b16]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1993

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