Seiko Cal. 6180 - 930

The 6180-930 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6180 caliber with 27j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-eac8efa92864]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1979

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