Seiko Cal. 6668 - 156

The Seiko 6668-156 represents an important milestone in Seiko's 1981 lineup. Powered by the 6668 caliber with 28j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-d239a369e0f2]

Also known as: Panda, UFO

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1981

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