Seiko Cal. 4511 - 641

The Seiko 4511-641 represents an important milestone in Seiko's 1981 lineup. Powered by the 4511 caliber with 18j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-431bf5bd903c]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1981

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