Seiko Cal. 5678 - 644

The 5678-644 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-2c7faf7226ff]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1999

Related Models

• Seiko 5631-643
• Seiko 6129-479
• Seiko 6266-772
• Seiko 6231-696
• Seiko 6294-450
• Seiko 5287-686
• Seiko 4438-870
• Seiko 5255-687
• Seiko 5272-930
• Seiko 4464-604
• Seiko 6391-803
• Seiko 6624-186