Seiko Cal. 6388 - 521

The 6388-521 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6388 caliber with 34j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-2d646df4a1e0]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1985

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