Seiko Cal. 6399 - 569

The Seiko 6399-569 represents an important milestone in Seiko's 1968 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-ddad05bfb0d8]

Also known as: Tuna, Rally

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Champagne

Jewels

26j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1968

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