Seiko Cal. 5686 - 934

This Automatic model from 1973 features a 35mm PVD Black case. Powered by the 5686 caliber with 32j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-7028aacb9610]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1973

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