Seiko Cal. 4420 - 610

This Spring Drive model from 1979 features a 45mm Titanium case. With its 20mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-83671e20b4bd]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1979

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