Seiko Cal. 6191 - 531

The 6191-531 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6191 caliber with 35j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-bc443de82bf5]

Also known as: Samurai, Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1977

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