Seiko Cal. 5642 - 921

This Hand-Winding model from 1975 features a 42mm PVD Black case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-3e7fd5479d3b]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1975

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