Seiko Cal. 3899 - 136

This Automatic model from 1968 features a 37mm PVD Black case. With its 18mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-92bdd205b318]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1968

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