Seiko Cal. 6339 - 362

The Seiko 6339-362 represents an important milestone in Seiko's 1971 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-f9cf6ee82a07]

Also known as: Tuna, Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1971

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