Seiko Cal. 4443 - 813

This Spring Drive model from 1978 features a 45mm Hardlex-Coated Steel case. With its 19mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-3f4c7f9c11da]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1978

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