Seiko Cal. 5620 - 778

The 5620-778 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5620 caliber with 33j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-6f0630f7c5b9]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1984

Related Models

• Seiko 6683-619
• Seiko 3832-539
• Seiko 5664-751
• Seiko 6685-984
• Seiko 6313-687
• Seiko 7058-485
• Seiko 5656-970
• Seiko 5254-643
• Seiko 5632-571
• Seiko 6651-369
• Seiko 7177-415
• Seiko 6678-305