Seiko Cal. 5620 - 778

Seiko 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

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