Seiko Cal. 4536 - 501

The Seiko 4536-501 represents an important milestone in Seiko's 1974 lineup. With its 22mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-dfc40dbb9e8e]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1974

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