Seiko Cal. 4420 - 717

This Spring Drive model from 1993 features a 46mm Stainless Steel case. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-c2db3deba1e5]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1993

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