Seiko Cal. 5240 - 122

The Seiko 5240-122 represents an important milestone in Seiko's 1968 lineup. Powered by the 5240 caliber with 18j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-fa50ca854f6f]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1968

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