Seiko Cal. 6639 - 600

Released in 1967, the Cal. 6639 with design code 600 was part of Seiko's domestic market collection. With its 20mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-58dec165da2c]

Also known as: Silverwave, World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1967

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