Seiko Cal. 5279 - 138

This Kinetic model from 1968 features a 40mm Two-Tone case. With its 18mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-ec30a20131e4]

Also known as: Sumo, Helmet

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1968

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