Seiko Cal. 6321 - 680

The Seiko 6321-680 represents an important milestone in Seiko's 1981 lineup. Powered by the 6321 caliber with 18j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-ccf9ea024557]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1981

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