Seiko Cal. 6390 - 970

This Spring Drive model from 1984 features a 35mm Stainless Steel case. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-2ae6fe42b01b]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1984

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