Seiko Cal. 6388 - 769

The 6388-769 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6388 caliber with 17j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-3d2cb56bd5a8]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1980

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