Seiko Cal. 4511 - 303

The 4511-303 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4511 caliber with 23j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-a30cede96845]

Also known as: Bullhead, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1974

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