Seiko Cal. 6645 - 633

Seiko 6645-633

This Hand-Winding model from 1992 features a 36mm Hardlex-Coated Steel case. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-387e411d9f26]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
10.2mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
110m
Dial Color
Burgundy
Jewels
20j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1992

Related Models

seikata-wm-387e411d9f26