Seiko Cal. 6388 - 259

This Spring Drive model from 1981 features a 37mm Two-Tone case. With its 21mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-3d1e78fa0ba1]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1981

Related Models

• Seiko 3884-463
• Seiko 4523-238
• Seiko 7176-359
• Seiko 0766-240
• Seiko 3882-934
• Seiko 5672-370
• Seiko 6294-134
• Seiko 3830-902
• Seiko 6143-228
• Seiko 0710-444
• Seiko 7082-845
• Seiko 6128-892