Seiko Cal. 5698 - 691

The 5698-691 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5698 caliber with 26j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-216054b1f801]

Also known as: Monster, Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1973

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