Seiko Cal. 6391 - 152

This Spring Drive model from 1970 features a 45mm Hardlex-Coated Steel case. With its 20mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-342b07b4e07d]

Also known as: Turtle, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

19j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1970

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