Seiko Cal. 4528 - 905

The 4528-905 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4528 caliber with 29j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-dc83d67cdb5d]

Also known as: Pogue, UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1969

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