Seiko Cal. 4447 - 312

This Spring Drive model from 1977 features a 46mm Two-Tone case. Powered by the 4447 caliber with 36j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-ee68d52a5575]

Also known as: Goldfeather, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1977

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