Seiko Cal. 6641 - 705

This Spring Drive model from 1976 features a 45mm Hardlex-Coated Steel case. With its 19mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-8ae6db9c1daa]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

17j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1976

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