Seiko Cal. 4557 - 985

The Seiko 4557-985 represents an important milestone in Seiko's 1992 lineup. Powered by the 4557 caliber with 20j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-2e4d73ea23b7]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1992

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