Seiko Cal. 6390 - 810

The 6390-810 is a sought-after Quartz piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-27ed73f5ea8b]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1986

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