Seiko Cal. 6663 - 300

The 6663-300 is a sought-after Automatic piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-aebf7b6c805a]

Also known as: Monster, Bullhead

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1988

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