Seiko Cal. 5676 - 366

The Seiko 5676-366 represents an important milestone in Seiko's 1980 lineup. Powered by the 5676 caliber with 35j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-ac0cd1af2dec]

Also known as: UFO, Emperor

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1980

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