Seiko Cal. 6387 - 809

The 6387-809 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6387 caliber with 24j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-0763c52e962a]

Also known as: UFO, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1974

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