Seiko Cal. 5256 - 525

The 5256-525 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-b6c1ee281dda]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1971

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