Seiko Cal. 6661 - 519

The Seiko 6661-519 represents an important milestone in Seiko's 1978 lineup. Powered by the 6661 caliber with 24j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-f375fe2cc534]

Also known as: Sumo, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1978

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