Seiko Cal. 3890 - 912

This Hand-Winding model from 1986 features a 42mm PVD Black case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-86c7ccf46c2b]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1986

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