Seiko Cal. 6321 - 469

The Seiko 6321-469 represents an important milestone in Seiko's 1972 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-d851e5c6f6b2]

Also known as: Sumo, Helmet

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1972

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