Seiko Cal. 6628 - 970

The 6628-970 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-6204b62c0576]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1991

Related Models

• Seiko 5223-761
• Seiko 0712-450
• Seiko 6271-227
• Seiko 5215-480
• Seiko 5283-967
• Seiko 3813-917
• Seiko 6156-571
• Seiko 0719-424
• Seiko 6326-209
• Seiko 4532-528
• Seiko 6315-169
• Seiko 5282-721