Seiko Cal. 0722 - 978

The Seiko 0722-978 represents an important milestone in Seiko's 1982 lineup. With its 21mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-94de4e99838d]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1982

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