Seiko Cal. 6270 - 540

The 6270-540 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6270 caliber with 21j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-b7176be6d3a5]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1973

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