Seiko Cal. 4544 - 413

This Hand-Winding model from 1976 features a 42mm PVD Black case. With its 19mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-8f706879adc3]

Also known as: Sumo, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1976

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