Seiko Cal. 5210 - 720

The Seiko 5210-720 represents an important milestone in Seiko's 1966 lineup. With its 22mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-6d34244906da]

Also known as: Helmet, UFO

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1966

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