Seiko Cal. 0761 - 779

Released in 1983, the Cal. 0761 with design code 779 was part of Seiko's domestic market collection. Powered by the 0761 caliber with 21j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-96ad5aaab9d4]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1983

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