Seiko Cal. 5698 - 985

The Seiko 5698-985 represents an important milestone in Seiko's 1977 lineup. Powered by the 5698 caliber with 28j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-5704a318d3f3]

Also known as: Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1977

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