Seiko Cal. 6391 - 536

The Seiko 6391-536 represents an important milestone in Seiko's 1984 lineup. It features a Green dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-547c3b734d27]

Also known as: Turtle, World Timer

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1984

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