Seiko Cal. 3864 - 138

This Quartz model from 1966 features a 45mm Gold-Plated case. Powered by the 3864 caliber with 18j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-4e12eabfc2e7]

Also known as: Helmet, Flighty

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1966

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