Seiko Cal. 6281 - 531

Released in 1968, the Cal. 6281 with design code 531 was part of Seiko's domestic market collection. With its 21mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-5be5372ad89b]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1968

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