Seiko Cal. 7021 - 122

Released in 1974, the Cal. 7021 with design code 122 was part of Seiko's domestic market collection. With its 20mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-80ae0ed2d278]

Also known as: Tuna, World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1974

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