Seiko Cal. 6642 - 405

The Seiko 6642-405 represents an important milestone in Seiko's 1979 lineup. With its 22mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-830f6dd34920]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1979

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