Seiko Cal. 4436 - 363

This Hand-Winding model from 1972 features a 41mm Hardlex-Coated Steel case. With its 22mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-9dcf0564ab34]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1972

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