Seiko Cal. 6689 - 903

The 6689-903 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6689 caliber with 17j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-d22d7b0b5342]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1985

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