Seiko Cal. 6240 - 722

This Hand-Winding model from 1969 features a 42mm Gold-Plated case. Powered by the 6240 caliber with 34j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-17d647ce739a]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1969

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