Seiko Cal. 7121 - 653

The Seiko 7121-653 represents an important milestone in Seiko's 1976 lineup. With its 18mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-e379d1fc0777]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1976

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