Seiko Cal. 7148 - 522

Seiko 7148-522

The 7148-522 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-1a1a69913a92]

Also known as: Sumo, Flighty

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
8.5mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Navy
Jewels
17j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1973

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