Seiko Cal. 4557 - 163

The Seiko 4557-163 represents an important milestone in Seiko's 1977 lineup. Powered by the 4557 caliber with 26j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-c2eaad1ff33e]

Also known as: Crown, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1977

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