Seiko Cal. 3864 - 977

The 3864-977 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-8867e12425f6]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

White

Jewels

24j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1989

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