Seiko Cal. 3887 - 604

This Spring Drive model from 1978 features a 40mm PVD Black case. With its 20mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-f2df7287cef2]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1978

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