Seiko Cal. 6388 - 430

The 6388-430 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-1b626b156444]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1977

Related Models

• Seiko 4578-656
• Seiko 5270-107
• Seiko 6142-666
• Seiko 6146-963
• Seiko 7090-808
• Seiko 6194-158
• Seiko 3882-555
• Seiko 0778-267
• Seiko 7151-589
• Seiko 6274-485
• Seiko 4512-660
• Seiko 6686-127