Seiko Cal. 6642 - 699

Released in 1983, the Cal. 6642 with design code 699 was part of Seiko's domestic market collection. With its 21mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-da178dd343d9]

Also known as: Turtle, Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1983

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