Seiko Cal. 6613 - 555

This Spring Drive model from 1988 features a 36mm Titanium case. With its 22mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-92e171803e15]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1988

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