Seiko Cal. 6388 - 128

The Seiko 6388-128 represents an important milestone in Seiko's 1987 lineup. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-95eab0ca415e]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1987

Related Models

• Seiko 5671-237
• Seiko 7033-612
• Seiko 7121-673
• Seiko 4578-198
• Seiko 7033-822
• Seiko 3876-200
• Seiko 6255-970
• Seiko 6243-396
• Seiko 0720-433
• Seiko 7092-873
• Seiko 4492-488
• Seiko 6340-699