Seiko Cal. 6620 - 730

The 6620-730 is a sought-after Solar piece from Seiko's golden era. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-4be3b773a403]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1980

Related Models

• Seiko 3836-174
• Seiko 6683-837
• Seiko 5614-470
• Seiko 6140-266
• Seiko 7059-901
• Seiko 4449-230
• Seiko 0716-413
• Seiko 6217-982
• Seiko 5619-436
• Seiko 3876-982
• Seiko 4586-166
• Seiko 6679-979