Seiko Cal. 6678 - 554

The 6678-554 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-a205cff77d09]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1973

Related Models

• Seiko 5270-887
• Seiko 6175-217
• Seiko 6250-723
• Seiko 6641-814
• Seiko 4542-883
• Seiko 6369-173
• Seiko 6639-793
• Seiko 7199-140
• Seiko 6211-948
• Seiko 0767-909
• Seiko 4571-506
• Seiko 6697-650