Seiko Cal. 4556 - 797

Seiko 4556-797

The 4556-797 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-ee7a05051aaa]

Also known as: Tuna, Crown

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
43mm
Case Thickness
8.1mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Silver
Jewels
23j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1965

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