Seiko Cal. 6611 - 638

This Spring Drive model from 1980 features a 35mm Stainless Steel case. With its 20mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-d32143dc219e]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1980

Related Models

• Seiko 6143-229
• Seiko 6367-881
• Seiko 6698-711
• Seiko 7081-723
• Seiko 7146-824
• Seiko 6291-848
• Seiko 7147-924
• Seiko 3837-872
• Seiko 6217-629
• Seiko 7156-119
• Seiko 3872-416
• Seiko 3835-939