Seiko Cal. 6240 - 120

The 6240-120 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6240 caliber with 20j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-d2f947e6175a]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1977

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