Seiko Cal. 4576 - 852

The Seiko 4576-852 represents an important milestone in Seiko's 1970 lineup. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-a20e653fb4dc]

Also known as: Sumo, World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1970

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