Seiko Cal. 0731 - 464

Released in 1988, the Cal. 0731 with design code 464 was part of Seiko's domestic market collection. It features a Black dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-9c9dde99e405]

Also known as: Navigator, Emperor

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1988

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