Seiko Cal. 6191 - 520

This Spring Drive model from 1965 features a 40mm Hardlex-Coated Steel case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-9e0ff37edf9b]

Also known as: Rally, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1965

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