Seiko Cal. 5697 - 136

This Quartz model from 1968 features a 38mm PVD Black case. With its 18mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-9fda5cf6763e]

Also known as: Helmet, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1968

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