Seiko Cal. 4531 - 666

Released in 1992, the Cal. 4531 with design code 666 was part of Seiko's domestic market collection. Powered by the 4531 caliber with 26j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-61fc8a0307aa]

Also known as: Sumo, Bellmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

26j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1992

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