Seiko Cal. 6677 - 354

The Seiko 6677-354 represents an important milestone in Seiko's 1976 lineup. With its 20mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-63acefe595b5]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1976

Related Models

• Seiko 4492-251
• Seiko 6334-441
• Seiko 5611-526
• Seiko 6323-884
• Seiko 7029-346
• Seiko 7111-245
• Seiko 0773-305
• Seiko 4552-782
• Seiko 5251-712
• Seiko 6299-550
• Seiko 6235-456
• Seiko 4448-715