Seiko Cal. 6181 - 279

The 6181-279 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6181 caliber with 31j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-4baab49c853e]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1990

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