Seiko Cal. 5640 - 298

Seiko 5640-298

This Kinetic model from 1969 features a 44mm Hardlex-Coated Steel case. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-72a52199adcc]

Also known as: Silverwave, Bellmatic

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
14.5mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Silver
Jewels
27j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1969

Related Models

seikata-wm-72a52199adcc