Seiko Cal. 5666 - 451

The Seiko 5666-451 represents an important milestone in Seiko's 1971 lineup. Powered by the 5666 caliber with 34j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-fa72938ad633]

Also known as: Silverwave, World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1971

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