Seiko Cal. 6221 - 664

The 6221-664 is a sought-after Quartz piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-dbeff4fec12b]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1971

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