Seiko Cal. 4525 - 410

Seiko 4525-410

The 4525-410 is a sought-after Hand-Winding piece from Seiko's golden era. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-2ea68f76d16f]

Also known as: Bullhead

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
11.1mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
170m
Dial Color
Burgundy
Jewels
34j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1981

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