Seiko Cal. 6677 - 420

This Spring Drive model from 1984 features a 41mm Stainless Steel case. With its 18mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-5c332442b57d]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1984

Related Models

• Seiko 4550-414
• Seiko 3849-788
• Seiko 6696-337
• Seiko 3811-232
• Seiko 6322-437
• Seiko 6226-587
• Seiko 7189-877
• Seiko 7161-799
• Seiko 6232-456
• Seiko 6684-593
• Seiko 7030-645
• Seiko 0791-221