Seiko Cal. 6381 - 850

The 6381-850 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-90e7cb07f05b]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1992

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