Seiko Cal. 5677 - 331

The 5677-331 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-578a34c1995b]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1969

Related Models

• Seiko 6629-952
• Seiko 4558-664
• Seiko 4563-618
• Seiko 7037-999
• Seiko 5230-647
• Seiko 6353-984
• Seiko 6287-178
• Seiko 6381-482
• Seiko 7047-358
• Seiko 4498-906
• Seiko 3842-623
• Seiko 7116-854