Seiko Cal. 6364 - 871

The Seiko 6364-871 represents an important milestone in Seiko's 1967 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-4fa8e17d476d]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1967

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