Seiko Cal. 3864 - 872

This Spring Drive model from 1981 features a 46mm Gold-Plated case. Powered by the 3864 caliber with 36j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-3f5bc6e020dd]

Also known as: Sea Horse, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1981

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