Seiko Cal. 7198 - 747

Seiko 7198-747

The 7198-747 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7198 caliber with 17j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-f16973c2eadf]

Also known as: Helmet, Arnie

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
10.5mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
90m
Dial Color
Burgundy
Jewels
17j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1997

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