Seiko Cal. 6240 - 104

This Hand-Winding model from 1982 features a 43mm Hardlex-Coated Steel case. Powered by the 6240 caliber with 19j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-92849915a804]

Also known as: UFO, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1982

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