Seiko Cal. 5657 - 803

This Quartz model from 1984 features a 42mm Stainless Steel case. Powered by the 5657 caliber with 23j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-5743d9ac69b3]

Also known as: Rally, Sea Horse

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1984

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