Seiko Cal. 6240 - 270

This Hand-Winding model from 1966 features a 42mm Titanium case. Powered by the 6240 caliber with 18j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-949e980e1cdd]

Also known as: Monster, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1966

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