Seiko Cal. 6389 - 418

The Seiko 6389-418 represents an important milestone in Seiko's 1965 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-3c371b5d25f2]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1965

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