Seiko Cal. 5639 - 436

Seiko 5639-436

This Solar model from 1990 features a 44mm Hardlex-Coated Steel case. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-de5fdd328a33]

Also known as: Rally

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
11.3mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Burgundy
Jewels
36j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1990

Related Models

seikata-wm-de5fdd328a33