Seiko Cal. 4557 - 870

The Seiko 4557-870 represents an important milestone in Seiko's 1965 lineup. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-10ce3e3a565f]

Also known as: UFO, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1965

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