Seiko Cal. 6653 - 398

Seiko 6653-398

The 6653-398 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6653 caliber with 23j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-ebbbccdf7786]

Also known as: Sumo

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
14.0mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Blue Sunburst
Jewels
23j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1965

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