Seiko Cal. 4477 - 502

This Spring Drive model from 1968 features a 46mm Two-Tone case. Powered by the 4477 caliber with 18j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-ab122ba582ec]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1968

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