Seiko Cal. 6321 - 424

The Seiko 6321-424 represents an important milestone in Seiko's 1970 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-a899141a6579]

Also known as: Sumo, Rally

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1970

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