Seiko Cal. 0770 - 917

The Seiko 0770-917 represents an important milestone in Seiko's 1970 lineup. Powered by the 0770 caliber with 23j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-2160f609c9ff]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1970

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