Seiko Cal. 4570 - 839

This Automatic model from 1971 features a 46mm Hardlex-Coated Steel case. Powered by the 4570 caliber with 31j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-49eee0317996]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1971

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