Seiko Cal. 6639 - 564

Seiko 6639-564

This Solar model from 1991 features a 35mm Hardlex-Coated Steel case. With its 18mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-1419431472ec]

Also known as: Turtle, Sumo

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
9.6mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
70m
Dial Color
Burgundy
Jewels
34j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1991

Related Models

seikata-wm-1419431472ec