Seiko Cal. 6391 - 163

The Seiko 6391-163 represents an important milestone in Seiko's 1970 lineup. It features a Cream dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-0e5ec129fd78]

Also known as: Shogun, Arnie

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1970

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