Seiko Cal. 6661 - 744

Released in 1982, the Cal. 6661 with design code 744 was part of Seiko's domestic market collection. Powered by the 6661 caliber with 32j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-ff8cbf70b956]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1982

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