Seiko Cal. 3867 - 521

This Spring Drive model from 1981 features a 40mm Two-Tone case. With its 19mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-20584f63e95a]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1981

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