Seiko Cal. 6386 - 645

The Seiko 6386-645 represents an important milestone in Seiko's 1965 lineup. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-fba7e5c4f852]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1965

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