Seiko Cal. 5657 - 572

The Seiko 5657-572 represents an important milestone in Seiko's 1991 lineup. Powered by the 5657 caliber with 17j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-551b89bd09b5]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1991

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