Seiko Cal. 5658 - 642

The Seiko 5658-642 represents an important milestone in Seiko's 1993 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-e8f4ea635ff3]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1993

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