Seiko Cal. 6643 - 557

Seiko 6643-557

This Hand-Winding model from 1984 features a 34mm Titanium case. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-f196e03fccc7]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
34mm
Case Thickness
9.9mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Burgundy
Jewels
35j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1984

Related Models

seikata-wm-f196e03fccc7