Seiko Cal. 6641 - 488

This Spring Drive model from 1982 features a 42mm Stainless Steel case. With its 20mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-1a98fa3ff14d]

Also known as: Helmet, Rally

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1982

Related Models

• Seiko 3830-653
• Seiko 5644-476
• Seiko 0777-472
• Seiko 6258-198
• Seiko 0772-475
• Seiko 6261-708
• Seiko 4543-951
• Seiko 6259-416
• Seiko 6346-515
• Seiko 6356-647
• Seiko 6385-218
• Seiko 6128-885