Seiko Cal. 4470 - 242

This Solar model from 1977 features a 42mm Two-Tone case. It features a Black dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-49819bc47d18]

Also known as: Monster, Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1977

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