Seiko Cal. 6669 - 591

The 6669-591 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6669 caliber with 28j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-57c010c58bec]

Also known as: Bullhead, Silverwave

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1987

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