Seiko Cal. 6321 - 431

The Seiko 6321-431 represents an important milestone in Seiko's 1984 lineup. Powered by the 6321 caliber with 30j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-6a5ec920c81b]

Also known as: Sportsmatic, Crown

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1984

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