Seiko Cal. 7180 - 722

The Seiko 7180-722 represents an important milestone in Seiko's 1980 lineup. With its 20mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-0e91d699ad4b]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1980

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