Seiko Cal. 6689 - 250

The 6689-250 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6689 caliber with 21j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-5aaf4be4cd7d]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1991

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