Seiko Cal. 6640 - 464

Seiko 6640-464

This Hand-Winding model from 1999 features a 46mm Two-Tone case. Powered by the 6640 caliber with 26j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-46bce3055a6c]

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
46mm
Case Thickness
10.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
130m
Dial Color
Champagne
Jewels
26j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1999

Related Models

seikata-wm-46bce3055a6c