Seiko Cal. 5231 - 800

The 5231-800 is a sought-after Solar piece from Seiko's golden era. Powered by the 5231 caliber with 27j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-81bc145aaddc]

Also known as: Monster, Shogun

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1992

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