Seiko Cal. 4527 - 946

Seiko 4527-946

The 4527-946 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4527 caliber with 36j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-7ea5aef832f2]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
44mm
Case Thickness
12.9mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
30m
Dial Color
Black
Jewels
36j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1984

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