Seiko Cal. 7140 - 366

This Kinetic model from 1981 features a 41mm Gold-Plated case. With its 22mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-75270beff064]

Also known as: Tuna, Helmet

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1981

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