Seiko Cal. 4556 - 742

This Quartz model from 1988 features a 45mm Stainless Steel case. Powered by the 4556 caliber with 22j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-f6e0032a2ace]

Also known as: Silverwave, Crown

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1988

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