Seiko Cal. 5240 - 435

The Seiko 5240-435 represents an important milestone in Seiko's 1971 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-6781e4b26f58]

Also known as: Rally

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1971

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