Seiko Cal. 4511 - 522

The 4511-522 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4511 caliber with 20j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-85a4c646799a]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1978

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