Seiko Cal. 6320 - 581

Released in 1979, the Cal. 6320 with design code 581 was part of Seiko's domestic market collection. Powered by the 6320 caliber with 25j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-48eb9ffd9e40]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1979

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