Seiko Cal. 6389 - 251

The 6389-251 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6389 caliber with 28j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-5385b5ec5f3a]

Also known as: Crown, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1976

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