Seiko Cal. 0721 - 525

The 0721-525 is a sought-after Kinetic piece from Seiko's golden era. With its 18mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-6aa9cb9815f7]

Also known as: Sea Horse

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1968

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