Seiko Cal. 4492 - 987

This Spring Drive model from 1974 features a 35mm Hardlex-Coated Steel case. With its 22mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-29d7eaa4fc18]

Also known as: Bellmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1974

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