Seiko Cal. 6389 - 681

This Automatic model from 1980 features a 45mm PVD Black case. Powered by the 6389 caliber with 20j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-6f5cc869056c]

Also known as: Samurai, Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1980

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