Seiko Cal. 6678 - 730

Released in 1993, the Cal. 6678 with design code 730 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-7906ab83ba18]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1993

Related Models

• Seiko 4463-600
• Seiko 5217-348
• Seiko 7039-256
• Seiko 3877-615
• Seiko 0763-837
• Seiko 3875-908
• Seiko 6345-436
• Seiko 5246-767
• Seiko 7081-669
• Seiko 6240-921
• Seiko 6390-854
• Seiko 5228-625