Seiko Cal. 3887 - 513

This Spring Drive model from 1972 features a 43mm Two-Tone case. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-5306f2517e36]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1972

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