Seiko Cal. 0717 - 605

This Quartz model from 1978 features a 39mm PVD Black case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-5c7d51ed0bf4]

Also known as: Helmet, Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1978

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