Seiko Cal. 5231 - 905

The Seiko 5231-905 represents an important milestone in Seiko's 1997 lineup. Powered by the 5231 caliber with 31j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-36ca125aa3f8]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1997

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