Seiko Cal. 4520 - 751

Seiko 4520-751

The 4520-751 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4520 caliber with 25j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-3ac81f3c60a1]

Also known as: Monster

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
35mm
Case Thickness
15.1mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
80m
Dial Color
White
Jewels
25j
Frequency
36,000 bph
Power Reserve
44 hours
Year
1966

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