Seiko Cal. 6689 - 298

The 6689-298 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6689 caliber with 21j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-9474a4fe9f1a]

Also known as: Bellmatic, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1971

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