Seiko Cal. 6661 - 618

The Seiko 6661-618 represents an important milestone in Seiko's 1995 lineup. Powered by the 6661 caliber with 24j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-b1fdb2014fb8]

Also known as: Turtle, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

White

Jewels

24j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1995

Related Models

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• Seiko 5261-661
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