Seiko Cal. 6689 - 725

The 6689-725 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6689 caliber with 18j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-708bfa91afbe]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1999

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