Seiko Cal. 6312 - 776

This Automatic model from 1981 features a 38mm PVD Black case. Powered by the 6312 caliber with 30j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-1efae4517fc3]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1981

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