Seiko Cal. 6331 - 141

Released in 1966, the Cal. 6331 with design code 141 was part of Seiko's domestic market collection. With its 22mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-7b549cfed7ad]

Also known as: UFO, Emperor

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1966

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