Seiko Cal. 6639 - 806

This Hand-Winding model from 1965 features a 37mm Hardlex-Coated Steel case. With its 18mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-7a947cc7ac7a]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1965

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