Seiko Cal. 3864 - 825

This Spring Drive model from 1973 features a 45mm Gold-Plated case. Powered by the 3864 caliber with 27j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-d4f426cd169a]

Also known as: Monster, Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1973

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