Seiko Cal. 4436 - 418

This Hand-Winding model from 1970 features a 37mm PVD Black case. With its 18mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-22d6e77bf36e]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1970

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