Seiko Cal. 5691 - 247

This Quartz model from 1968 features a 34mm Two-Tone case. Powered by the 5691 caliber with 26j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-3a0fe859c5f7]

Also known as: Helmet, Flighty

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1968

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