Seiko Cal. 6650 - 494

The Seiko 6650-494 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-b201bef05ef6]

Also known as: Turtle, Monster

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1971

Related Models

• Seiko 4575-631
• Seiko 4587-915
• Seiko 4592-668
• Seiko 6321-124
• Seiko 6635-789
• Seiko 6381-422
• Seiko 6689-606
• Seiko 6356-441
• Seiko 3830-181
• Seiko 4412-226
• Seiko 4598-347
• Seiko 5672-174