Seiko Cal. 6231 - 972

Released in 1978, the Cal. 6231 with design code 972 was part of Seiko's domestic market collection. With its 21mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-1e75be3fb53c]

Also known as: Tuna, Flighty

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1978

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