Seiko Cal. 6636 - 391

This Automatic model from 1973 features a 34mm Two-Tone case. It features a Cream dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-a07cf4d526c6]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1973

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