Seiko Cal. 6220 - 377

Seiko 6220-377

The 6220-377 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6220 caliber with 23j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-8eadf63f23c3]

Also known as: Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
36mm
Case Thickness
10.3mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
150m
Dial Color
Cream
Jewels
23j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1976

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