Seiko Cal. 5247 - 728

Seiko 5247-728

The 5247-728 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5247 caliber with 28j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-a9e966e64c26]

Also known as: Sumo, Bullhead

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
46mm
Case Thickness
11.7mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
130m
Dial Color
Navy
Jewels
28j
Frequency
36,000 bph
Power Reserve
68 hours
Year
1984

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seikata-wm-a9e966e64c26