Seiko Cal. 6191 - 521

The Seiko 6191-521 represents an important milestone in Seiko's 1981 lineup. Powered by the 6191 caliber with 25j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-4c31ffcad7aa]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1981

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