Seiko Cal. 6644 - 720

Seiko 6644-720

This Automatic model from 1979 features a 38mm Hardlex-Coated Steel case. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-9339b7be1e33]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
10.1mm
Lug Width
22mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
50m
Dial Color
White
Jewels
28j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1979

Related Models

seikata-wm-9339b7be1e33