Seiko Cal. 6640 - 897

Seiko 6640-897

This Solar model from 1984 features a 37mm Gold-Plated case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-2054271869a5]

Also known as: Flighty

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
11.9mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Green
Jewels
19j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1984

Related Models

seikata-wm-2054271869a5