Seiko Cal. 0788 - 557

The Seiko 0788-557 represents an important milestone in Seiko's 1966 lineup. With its 19mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-ebb7c05c5b00]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1966

Related Models

• Seiko 7029-740
• Seiko 7130-418
• Seiko 6362-182
• Seiko 7089-278
• Seiko 6118-548
• Seiko 7049-558
• Seiko 3823-996
• Seiko 3837-192
• Seiko 6391-522
• Seiko 7029-578
• Seiko 3812-609
• Seiko 7065-199