Seiko Cal. 4556 - 550

This Hand-Winding model from 1965 features a 42mm PVD Black case. With its 18mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-5955384acf13]

Also known as: Shogun

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

35j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1965

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