Seiko Cal. 4556 - 303

This Hand-Winding model from 1973 features a 45mm PVD Black case. With its 21mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-65ae8f15d9d2]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1973

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