Seiko Cal. 4415 - 727

This Spring Drive model from 1967 features a 41mm PVD Black case. Powered by the 4415 caliber with 25j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-814b90853367]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1967

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