Seiko Cal. 4442 - 171

This Quartz model from 1985 features a 40mm PVD Black case. With its 19mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-c840deff9b3a]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1985

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