Seiko Cal. 6613 - 426

This Spring Drive model from 1978 features a 36mm Titanium case. With its 18mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-b48c10bd5578]

Also known as: Rally, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1978

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