Seiko Cal. 4522 - 630

The 4522-630 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4522 caliber with 18j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-4b304712fa24]

Also known as: Tuna, Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1977

Related Models

• Seiko 0749-251
• Seiko 4487-147
• Seiko 3812-236
• Seiko 6612-721
• Seiko 0718-544
• Seiko 4423-475
• Seiko 3868-435
• Seiko 4470-332
• Seiko 7171-772
• Seiko 0741-905
• Seiko 7021-205
• Seiko 0747-369