Seiko Cal. 6191 - 931

The 6191-931 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6191 caliber with 30j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-027cf81cb2f6]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1967

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