Seiko Cal. 6684 - 810

The 6684-810 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6684 caliber with 25j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-5b7291f6751b]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1973

Related Models

• Seiko 5638-193
• Seiko 5226-749
• Seiko 0733-501
• Seiko 7019-471
• Seiko 7193-658
• Seiko 5276-276
• Seiko 6190-698
• Seiko 5636-636
• Seiko 5244-968
• Seiko 5251-490
• Seiko 6211-776
• Seiko 6370-781