Seiko Cal. 6645 - 979

Released in 1984, the Cal. 6645 with design code 979 was part of Seiko's domestic market collection. With its 21mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-4670bc4ba0f8]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1984

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