Seiko Cal. 5231 - 359

The 5231-359 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5231 caliber with 17j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-5134f994a366]

Also known as: Goldfeather, Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1966

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