Seiko Cal. 5231 - 363

Released in 1993, the Cal. 5231 with design code 363 was part of Seiko's domestic market collection. Powered by the 5231 caliber with 34j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-9cb9708ff876]

Also known as: UFO, Silverwave

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1993

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