Seiko Cal. 6120 - 721

Released in 1969, the Cal. 6120 with design code 721 was part of Seiko's domestic market collection. With its 21mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-ea55905ee060]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1969

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