Seiko Cal. 6312 - 445

Released in 1970, the Cal. 6312 with design code 445 was part of Seiko's domestic market collection. Powered by the 6312 caliber with 21j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-827edb9335df]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1970

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