Seiko Cal. 6642 - 905

Released in 1985, the Cal. 6642 with design code 905 was part of Seiko's domestic market collection. With its 21mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-51fb58ef6487]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1985

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