Seiko Cal. 5685 - 831

Released in 1972, the Cal. 5685 with design code 831 was part of Seiko's domestic market collection. Powered by the 5685 caliber with 33j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-1ecf1cedf212]

Also known as: Navigator, Sea Horse

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1972

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