Seiko Cal. 4427 - 505

This Quartz model from 1968 features a 40mm PVD Black case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-21ca1b7fb383]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1968

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