Seiko Cal. 7191 - 351

This Hand-Winding model from 1966 features a 38mm Two-Tone case. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-b591cbf072fd]

Also known as: Helmet, Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1966

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