Seiko Cal. 6646 - 577

Seiko 6646-577

This Kinetic model from 1978 features a 44mm Two-Tone case. Powered by the 6646 caliber with 24j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-92012b8199d8]

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
44mm
Case Thickness
11.5mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Black
Jewels
24j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1978

Related Models

seikata-wm-92012b8199d8