Seiko Cal. 5690 - 552

The 5690-552 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5690 caliber with 20j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-b43b185034fe]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1986

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