Seiko Cal. 0780 - 840

The 0780-840 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-4ca136deaab0]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1997

Related Models

• Seiko 6372-591
• Seiko 6390-414
• Seiko 6694-469
• Seiko 6695-462
• Seiko 6645-427
• Seiko 6227-130
• Seiko 7112-268
• Seiko 0737-351
• Seiko 7016-291
• Seiko 0725-853
• Seiko 6115-823
• Seiko 6336-642