Seiko Cal. 5233 - 866

The 5233-866 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5233 caliber with 26j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-a123ad217b3c]

Also known as: Bullhead, Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1967

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