Seiko Cal. 5240 - 548

Released in 1970, the Cal. 5240 with design code 548 was part of Seiko's domestic market collection. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-9f60ac0fa5ac]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1970

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