Seiko Cal. 4550 - 881

The 4550-881 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4550 caliber with 32j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-07c07365ad01]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1987

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