Seiko Cal. 6646 - 346

The Seiko 6646-346 represents an important milestone in Seiko's 1973 lineup. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-5f6186937e98]

Also known as: Panda, Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1973

Related Models

• Seiko 6154-862
• Seiko 5242-428
• Seiko 0785-928
• Seiko 4454-377
• Seiko 0768-971
• Seiko 7158-723
• Seiko 6357-732
• Seiko 7141-781
• Seiko 6132-567
• Seiko 5254-500
• Seiko 6263-824
• Seiko 4577-434