Seiko Cal. 6689 - 433

The 6689-433 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6689 caliber with 29j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-de88a6a11fa8]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1982

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