Seiko Cal. 6660 - 758

The Seiko 6660-758 represents an important milestone in Seiko's 1985 lineup. Powered by the 6660 caliber with 23j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-de6feff61152]

Also known as: Rally

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1985

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