Seiko Cal. 6643 - 857

Seiko 6643-857

This Hand-Winding model from 1994 features a 35mm Gold-Plated case. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-13e2d9673354]

Also known as: Monster

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
15.9mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
160m
Dial Color
White
Jewels
31j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1994

Related Models

seikata-wm-13e2d9673354