Seiko Cal. 3864 - 256

This Solar model from 1978 features a 38mm Gold-Plated case. Powered by the 3864 caliber with 34j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-369807a5cb99]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1978

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