Seiko Cal. 5231 - 188

The 5231-188 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5231 caliber with 31j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-1ba0fac1d883]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1993

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