Seiko Cal. 5660 - 417

The Seiko 5660-417 represents an important milestone in Seiko's 1972 lineup. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-5d54486ace04]

Also known as: Crown, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1972

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