Seiko Cal. 5231 - 211

This Solar model from 1991 features a 36mm Hardlex-Coated Steel case. Powered by the 5231 caliber with 31j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-3ffe3b56a2a1]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1991

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