Seiko Cal. 6628 - 762

Seiko 6628-762

The 6628-762 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6628 caliber with 18j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-05fcff2e2b11]

Also known as: Sumo

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
35mm
Case Thickness
8.5mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Navy
Jewels
18j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1970

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