Seiko Cal. 6650 - 827

The 6650-827 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6650 caliber with 23j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-3f2e79bd49ac]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1972

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