Seiko Cal. 6628 - 406

Released in 1973, the Cal. 6628 with design code 406 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-2ba86542a59b]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1973

Related Models

• Seiko 0775-826
• Seiko 5681-128
• Seiko 0739-643
• Seiko 7122-853
• Seiko 0741-831
• Seiko 6686-326
• Seiko 4579-942
• Seiko 4528-746
• Seiko 6335-827
• Seiko 5245-570
• Seiko 5680-665
• Seiko 7054-801