Seiko Cal. 5679 - 131

Released in 1974, the Cal. 5679 with design code 131 was part of Seiko's domestic market collection. With its 21mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-40162bbd88db]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1974

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