Seiko Cal. 4471 - 557

This Automatic model from 1987 features a 34mm Stainless Steel case. Powered by the 4471 caliber with 31j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-42141b76b0c8]

Also known as: Bellmatic, Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1987

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