Seiko Cal. 6646 - 661

The Seiko 6646-661 represents an important milestone in Seiko's 1987 lineup. It features a Champagne dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-a1eea2b8f2e3]

Also known as: Samurai, Goldfeather

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1987

Related Models

• Seiko 5255-353
• Seiko 0734-309
• Seiko 7199-883
• Seiko 6330-351
• Seiko 5695-954
• Seiko 0755-253
• Seiko 7186-235
• Seiko 5617-755
• Seiko 3866-571
• Seiko 6180-156
• Seiko 6366-671
• Seiko 6214-640