Seiko Cal. 5643 - 164

Seiko 5643-164

The Seiko 5643-164 represents an important milestone in Seiko's 1992 lineup. Powered by the 5643 caliber with 24j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-17792a1ee271]

Also known as: Sumo, Tuna

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
8.1mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
White
Jewels
24j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1992

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seikata-wm-17792a1ee271