Seiko Cal. 5660 - 810

The Seiko 5660-810 represents an important milestone in Seiko's 1979 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-602fe6ca5127]

Also known as: Pogue, Bellmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1979

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