Seiko Cal. 4430 - 612

This Spring Drive model from 1982 features a 39mm Two-Tone case. With its 21mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-b6c6a9092cb0]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1982

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