Seiko Cal. 6636 - 819

The Seiko 6636-819 represents an important milestone in Seiko's 1981 lineup. It features a Silver dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-023dd36f774d]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1981

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