Seiko Cal. 5689 - 540

The 5689-540 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5689 caliber with 34j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-714e698724f1]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1972

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