Seiko Cal. 6691 - 644

This Kinetic model from 1987 features a 39mm Titanium case. With its 21mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-5ee046333bf4]

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1987

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