Seiko Cal. 5256 - 380

Seiko 5256-380

The 5256-380 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5256 caliber with 27j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-e7230da8e706]

Also known as: Tuna, Sea Horse

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
37mm
Case Thickness
9.2mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
110m
Dial Color
Burgundy
Jewels
27j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1973

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