Seiko Cal. 6639 - 635

Seiko 6639-635

This Hand-Winding model from 1975 features a 43mm PVD Black case. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-683ab36d51c3]

Also known as: Rally, Arnie

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
43mm
Case Thickness
14.2mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
120m
Dial Color
Silver
Jewels
22j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1975

Related Models

seikata-wm-683ab36d51c3