Seiko Cal. 4427 - 821

This Quartz model from 1970 features a 43mm PVD Black case. It features a Champagne dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-75ea765cc0be]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1970

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