Seiko Cal. 5644 - 440

Seiko 5644-440

This Quartz model from 1986 features a 42mm Hardlex-Coated Steel case. With its 18mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-f1f9fc814e05]

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
9.3mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
White
Jewels
26j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1986

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