Seiko Cal. 0724 - 398

Seiko 0724-398

The 0724-398 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0724 caliber with 25j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-84748eb5064b]

Also known as: Sportsmatic, Emperor

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
35mm
Case Thickness
12.2mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
110m
Dial Color
Blue Sunburst
Jewels
25j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1996

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