Seiko Cal. 6650 - 100

The 6650-100 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6650 caliber with 18j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-d27b9c83d7c6]

Also known as: Arnie

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1978

Related Models

• Seiko 5229-780
• Seiko 7175-651
• Seiko 0715-830
• Seiko 6183-798
• Seiko 6151-650
• Seiko 4416-222
• Seiko 6122-567
• Seiko 6684-825
• Seiko 5254-516
• Seiko 0762-572
• Seiko 5270-123
• Seiko 6259-492