Seiko Cal. 6388 - 654

The 6388-654 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-bf102cda61d2]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1967

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