Seiko Cal. 5666 - 206

The Seiko 5666-206 represents an important milestone in Seiko's 1973 lineup. Powered by the 5666 caliber with 26j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-9a233d38df41]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1973

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