Seiko Cal. 6221 - 131

The 6221-131 is a sought-after Quartz piece from Seiko's golden era. With its 18mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-f1f5019e8b5e]

Also known as: Rally, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1967

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