Seiko Cal. 6641 - 825

Released in 1975, the Cal. 6641 with design code 825 was part of Seiko's domestic market collection. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-0d2aabb44ef1]

Also known as: Panda, World Timer

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1975

Related Models

• Seiko 4461-931
• Seiko 6365-184
• Seiko 6371-346
• Seiko 0783-743
• Seiko 7132-661
• Seiko 6624-421
• Seiko 0743-278
• Seiko 0734-920
• Seiko 6288-406
• Seiko 7036-324
• Seiko 6265-696
• Seiko 4418-520