Seiko Cal. 6628 - 866

The 6628-866 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-ddac871e428d]

Also known as: Tuna, Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1966

Related Models

• Seiko 7190-732
• Seiko 6124-922
• Seiko 0719-194
• Seiko 6220-903
• Seiko 7098-781
• Seiko 4473-969
• Seiko 5219-681
• Seiko 7098-372
• Seiko 5698-369
• Seiko 7062-110
• Seiko 5648-860
• Seiko 4490-279