Seiko Cal. 6643 - 522

Seiko 6643-522

This Spring Drive model from 1995 features a 39mm Two-Tone case. Powered by the 6643 caliber with 28j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-2e83a50eb2c2]

Also known as: Shogun, Flighty

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
39mm
Case Thickness
15.5mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
180m
Dial Color
Silver
Jewels
28j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1995

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