Seiko Cal. 6641 - 439

This Spring Drive model from 1978 features a 46mm Stainless Steel case. With its 18mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-a1e11d0d01df]

Also known as: Pogue, Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1978

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