Seiko Cal. 4487 - 169

This Spring Drive model from 1974 features a 43mm Hardlex-Coated Steel case. With its 22mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-946c85538b5b]

Also known as: Sumo, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1974

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