Seiko Cal. 5231 - 505

The 5231-505 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5231 caliber with 31j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-00c6a610e5ce]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1967

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