Seiko Cal. 4412 - 637

This Hand-Winding model from 1969 features a 40mm Stainless Steel case. With its 21mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-fcaae891adfa]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1969

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