Seiko Cal. 6640 - 316

This Kinetic model from 1989 features a 41mm Titanium case. With its 21mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-bdf54d6a04c9]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1989

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