Seiko Cal. 4496 - 789

This Hand-Winding model from 1971 features a 41mm Hardlex-Coated Steel case. With its 20mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-85bcecca2150]

Also known as: Sumo, Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1971

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