Seiko Cal. 6613 - 688

This Spring Drive model from 1968 features a 46mm PVD Black case. With its 18mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-2ebd9bd4ecc3]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1968

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