Seiko Cal. 6644 - 929

The 6644-929 is a sought-after Solar piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-41d89aa90ecb]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1967

Related Models

• Seiko 5223-913
• Seiko 6316-219
• Seiko 4551-561
• Seiko 5656-694
• Seiko 6665-809
• Seiko 4433-286
• Seiko 5684-517
• Seiko 4441-872
• Seiko 5261-425
• Seiko 6272-253
• Seiko 5233-513
• Seiko 7052-721