Seiko Cal. 6388 - 509

The Seiko 6388-509 represents an important milestone in Seiko's 1980 lineup. Powered by the 6388 caliber with 29j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-0063a4702815]

Also known as: Rally, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1980

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