Seiko Cal. 4446 - 640

Seiko 4446-640

This Quartz model from 1978 features a 36mm Titanium case. Powered by the 4446 caliber with 34j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-5cedd22c8861]

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
36mm
Case Thickness
14.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
180m
Dial Color
White
Jewels
34j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1978

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seikata-wm-5cedd22c8861