Seiko Cal. 6643 - 325

Seiko 6643-325

The 6643-325 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6643 caliber with 30j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-0f70a73d1000]

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
13.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
30m
Dial Color
Navy
Jewels
30j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1996

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seikata-wm-0f70a73d1000