Seiko Cal. 6240 - 779

This Automatic model from 1979 features a 40mm Hardlex-Coated Steel case. With its 19mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-834abe4fe1ff]

Also known as: Sumo, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1979

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