Seiko Cal. 6391 - 816

The Seiko 6391-816 represents an important milestone in Seiko's 1971 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-5fc6e21e1448]

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1971

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