Seiko Cal. 6391 - 133

The Seiko 6391-133 represents an important milestone in Seiko's 1973 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-5dae930684ef]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1973

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