Seiko Cal. 6691 - 545

Released in 1989, the Cal. 6691 with design code 545 was part of Seiko's domestic market collection. With its 18mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-a03904aa010f]

Also known as: Silverwave, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1989

Related Models

• Seiko 4453-936
• Seiko 7029-944
• Seiko 5641-146
• Seiko 4513-946
• Seiko 0755-871
• Seiko 0740-242
• Seiko 6670-429
• Seiko 6625-557
• Seiko 6696-884
• Seiko 5675-608
• Seiko 7030-282
• Seiko 4578-568