Seiko Cal. 5240 - 613

The Seiko 5240-613 represents an important milestone in Seiko's 1973 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-a7e2a3768b25]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1973

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