Seiko Cal. 7086 - 556

This Spring Drive model from 1978 features a 42mm Hardlex-Coated Steel case. With its 22mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-33b0e6df3b3c]

Also known as: Sumo, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1978

Related Models

• Seiko 6160-294
• Seiko 0781-461
• Seiko 4580-722
• Seiko 0796-812
• Seiko 6130-520
• Seiko 6388-187
• Seiko 7024-678
• Seiko 7195-577
• Seiko 5282-415
• Seiko 0734-546
• Seiko 4569-719
• Seiko 5215-213