Seiko Cal. 4576 - 621

Seiko 4576-621

The 4576-621 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4576 caliber with 20j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-17230e85492b]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
34mm
Case Thickness
9.9mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
50m
Dial Color
Burgundy
Jewels
20j
Frequency
36,000 bph
Power Reserve
44 hours
Year
1969

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seikata-wm-17230e85492b