Seiko Cal. 5666 - 104

The Seiko 5666-104 represents an important milestone in Seiko's 1980 lineup. Powered by the 5666 caliber with 17j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-d1c8c0f34e17]

Also known as: Turtle, Panda

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1980

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