Seiko Cal. 7021 - 891

The 7021-891 is a sought-after Kinetic piece from Seiko's golden era. With its 20mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-d09c7fe37cdf]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1981

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