Seiko Cal. 6650 - 423

The Seiko 6650-423 represents an important milestone in Seiko's 1969 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-02a8ba841573]

Also known as: Panda, Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1969

Related Models

• Seiko 4452-640
• Seiko 5299-654
• Seiko 0791-202
• Seiko 5663-322
• Seiko 7158-120
• Seiko 7084-505
• Seiko 6262-854
• Seiko 6623-964
• Seiko 3826-967
• Seiko 5613-506
• Seiko 4467-609
• Seiko 6280-819