Seiko Cal. 6312 - 936

This Spring Drive model from 1989 features a 35mm Gold-Plated case. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-6c1cc3654cec]

Also known as: Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1989

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