Seiko Cal. 5613 - 744

This Spring Drive model from 1966 features a 40mm PVD Black case. With its 19mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-6578c517358d]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1966

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