Seiko Cal. 6647 - 401

Seiko 6647-401

This Spring Drive model from 1992 features a 44mm Titanium case. Powered by the 6647 caliber with 19j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-06016a693211]

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
44mm
Case Thickness
15.9mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Navy
Jewels
19j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1992

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seikata-wm-06016a693211