Seiko Cal. 6399 - 976

This Quartz model from 1988 features a 35mm Hardlex-Coated Steel case. With its 19mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-99d4840518e1]

Also known as: Sumo, Bullhead

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1988

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