Seiko Cal. 6647 - 463

This Solar model from 1970 features a 42mm Stainless Steel case. With its 18mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-8e655bed1819]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1970

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