Seiko Cal. 4470 - 783

This Spring Drive model from 1988 features a 40mm Hardlex-Coated Steel case. With its 21mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-8c9d6dd86c45]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1988

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