Seiko Cal. 6320 - 785

This Spring Drive model from 1980 features a 40mm Titanium case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-c4544da1b5e7]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1980

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