Seiko Cal. 5660 - 950

The Seiko 5660-950 represents an important milestone in Seiko's 1972 lineup. Powered by the 5660 caliber with 28j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-bf769856aa6c]

Also known as: UFO, World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1972

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