Seiko Cal. 4447 - 839

This Spring Drive model from 1970 features a 45mm Gold-Plated case. With its 20mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-54aa9455e3bf]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1970

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