Seiko Cal. 4511 - 439

The Seiko 4511-439 represents an important milestone in Seiko's 1991 lineup. Powered by the 4511 caliber with 33j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-d0bfb657e5cf]

Also known as: Sumo, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1991

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