Seiko Cal. 5612 - 665

The Seiko 5612-665 represents an important milestone in Seiko's 1987 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-bbba94e6a44d]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1987

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