Seiko Cal. 5636 - 729

This Quartz model from 1986 features a 42mm PVD Black case. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-49da79eb8b61]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1986

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