Seiko Cal. 4513 - 735

This Spring Drive model from 1975 features a 36mm Titanium case. With its 20mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-42c6d3f6686d]

Also known as: Rally, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1975

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