Seiko Cal. 5691 - 181

This Hand-Winding model from 1969 features a 46mm Two-Tone case. Powered by the 5691 caliber with 30j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-ace6da34cab4]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1969

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