Seiko Cal. 4421 - 431

This Solar model from 1986 features a 40mm Two-Tone case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-80ecb41820da]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1986

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