Seiko Cal. 6660 - 660

The Seiko 6660-660 represents an important milestone in Seiko's 1987 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-5639d33424d9]

Also known as: UFO, Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1987

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