Seiko Cal. 7122 - 750

Released in 1970, the Cal. 7122 with design code 750 was part of Seiko's domestic market collection. With its 22mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-7ab3fca7e150]

Also known as: Helmet, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1970

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