Seiko Cal. 6391 - 769

This Quartz model from 1981 features a 41mm Hardlex-Coated Steel case. Powered by the 6391 caliber with 19j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-8ee9d1d0a7da]

Also known as: Sumo, Goldfeather

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1981

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