Seiko Cal. 5231 - 225

The Seiko 5231-225 represents an important milestone in Seiko's 1985 lineup. Powered by the 5231 caliber with 29j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-2af18a8dab9a]

Also known as: Helmet, Flighty

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1985

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