Seiko Cal. 4557 - 156

This Hand-Winding model from 1987 features a 34mm Two-Tone case. Powered by the 4557 caliber with 22j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-221eff0991c8]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1987

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