Seiko Cal. 6390 - 365

The Seiko 6390-365 represents an important milestone in Seiko's 1972 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-c047dd427fe7]

Also known as: Rally, World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1972

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