Seiko Cal. 6613 - 839

This Spring Drive model from 1966 features a 42mm PVD Black case. With its 20mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-a82ba4c143ec]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1966

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