Seiko Cal. 5647 - 815

This Spring Drive model from 1965 features a 37mm Two-Tone case. With its 18mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-cf27e7945900]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1965

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