Seiko Cal. 3828 - 674

This Quartz model from 1985 features a 40mm PVD Black case. With its 18mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-c2483214c7bc]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1985

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