Seiko Cal. 4428 - 986

The 4428-986 is a sought-after Kinetic piece from Seiko's golden era. With its 22mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-5a6d5dc20aff]

Also known as: Sumo, Pogue

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1987

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