Seiko Cal. 4424 - 207

This Spring Drive model from 1977 features a 36mm Two-Tone case. It features a Silver dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-418dea878ff4]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1977

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