Seiko Cal. 4576 - 748

The Seiko 4576-748 represents an important milestone in Seiko's 1982 lineup. Powered by the 4576 caliber with 35j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-9fe2628adbd4]

Also known as: Monster, Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1982

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