Seiko Cal. 6642 - 492

Released in 1967, the Cal. 6642 with design code 492 was part of Seiko's domestic market collection. With its 21mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-5abc6df2f07e]

Also known as: Turtle, UFO

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1967

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