Seiko Cal. 4570 - 391

Released in 1987, the Cal. 4570 with design code 391 was part of Seiko's domestic market collection. With its 20mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-e1849df728ae]

Also known as: Sea Horse, Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1987

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