Seiko Cal. 6240 - 271

The 6240-271 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6240 caliber with 17j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-ca24be401ed2]

Also known as: Monster, Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1995

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