Seiko Cal. 5654 - 538

The Seiko 5654-538 represents an important milestone in Seiko's 1972 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-7d369c9b0977]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1972

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