Seiko Cal. 6658 - 576

Seiko 6658-576

The 6658-576 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6658 caliber with 23j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-55f06663e9c4]

Also known as: Samurai, Sumo

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
37mm
Case Thickness
8.4mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Navy
Jewels
23j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1978

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