Seiko Cal. 5239 - 131

This Automatic model from 1978 features a 43mm Hardlex-Coated Steel case. With its 18mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-822b3a6b715c]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1978

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