Seiko Cal. 6622 - 644

The 6622-644 is a sought-after Solar piece from Seiko's golden era. Powered by the 6622 caliber with 20j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-62eaec7ec557]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1992

Related Models

• Seiko 4429-939
• Seiko 7045-349
• Seiko 0716-450
• Seiko 5687-461
• Seiko 6360-686
• Seiko 6680-843
• Seiko 7040-236
• Seiko 6387-798
• Seiko 7057-899
• Seiko 0770-495
• Seiko 7156-423
• Seiko 0789-405