Seiko Cal. 5690 - 956

The 5690-956 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5690 caliber with 23j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-a7af6419cac8]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1972

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