Seiko Cal. 5231 - 845

The Seiko 5231-845 represents an important milestone in Seiko's 1967 lineup. Powered by the 5231 caliber with 32j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-0c2c94d999c4]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1967

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