Seiko Cal. 0717 - 791

The Seiko 0717-791 represents an important milestone in Seiko's 1983 lineup. Powered by the 0717 caliber with 23j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-64d49b4cda4e]

Also known as: Monster, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1983

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