Seiko Cal. 4525 - 727

Seiko 4525-727

The 4525-727 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-6a51f5983940]

Also known as: Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
12.0mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Green
Jewels
36j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1965

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seikata-wm-6a51f5983940