Seiko Cal. 5240 - 597

The Seiko 5240-597 represents an important milestone in Seiko's 1968 lineup. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-2526dd616ca1]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1968

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