Seiko Cal. 5689 - 378

The Seiko 5689-378 represents an important milestone in Seiko's 1967 lineup. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-42153fd6fc79]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1967

Related Models

• Seiko 7014-188
• Seiko 5654-123
• Seiko 4468-443
• Seiko 5237-321
• Seiko 6214-947
• Seiko 4471-999
• Seiko 7116-622
• Seiko 7184-103
• Seiko 6616-960
• Seiko 7137-324
• Seiko 6212-364
• Seiko 4421-734