Seiko Cal. 6661 - 108

The Seiko 6661-108 represents an important milestone in Seiko's 1977 lineup. Powered by the 6661 caliber with 33j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-4e42edb06bf9]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1977

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