Seiko Cal. 4561 - 991

The 4561-991 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4561 caliber with 19j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-688d81d1ca43]

Also known as: Helmet, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1990

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