Seiko Cal. 4571 - 518

The Seiko 4571-518 represents an important milestone in Seiko's 1991 lineup. Powered by the 4571 caliber with 22j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-b6f67960167e]

Also known as: Sumo, Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1991

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