Seiko Cal. 6689 - 544

Released in 1992, the Cal. 6689 with design code 544 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-41dab5ec7b48]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1992

Related Models

• Seiko 7165-945
• Seiko 6344-279
• Seiko 6222-800
• Seiko 7111-684
• Seiko 6283-847
• Seiko 4529-221
• Seiko 7091-119
• Seiko 7058-143
• Seiko 6374-382
• Seiko 4411-828
• Seiko 4583-443
• Seiko 7198-809