Seiko Cal. 5658 - 556

The Seiko 5658-556 represents an important milestone in Seiko's 1968 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-f740251dd4dc]

Also known as: Monster, Navigator

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1968

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