Seiko Cal. 4527 - 520

Seiko 4527-520

The 4527-520 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4527 caliber with 32j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-36519fddd3bb]

Also known as: Monster, Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
34mm
Case Thickness
14.1mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Cream
Jewels
32j
Frequency
28,800 bph
Power Reserve
49 hours
Year
1973

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seikata-wm-36519fddd3bb