Seiko Cal. 4557 - 130

The Seiko 4557-130 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-7e71f137a8ce]

Also known as: Bellmatic, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1971

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