Seiko Cal. 4420 - 905

This Hand-Winding model from 1966 features a 40mm PVD Black case. With its 19mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-b55e71804388]

Also known as: Rally, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1966

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