Seiko Cal. 5216 - 961

The Seiko 5216-961 represents an important milestone in Seiko's 1971 lineup. Powered by the 5216 caliber with 31j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-b12165fa9045]

Also known as: Tuna, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1971

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