Seiko Cal. 5666 - 714

The Seiko 5666-714 represents an important milestone in Seiko's 1971 lineup. Powered by the 5666 caliber with 31j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-ed6b76002a5c]

Also known as: Bellmatic, World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1971

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