Seiko Cal. 6643 - 581

Seiko 6643-581

This Quartz model from 1998 features a 44mm Two-Tone case. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-33b2b415cace]

Also known as: Monster, Flighty

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
44mm
Case Thickness
8.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Black
Jewels
25j
Frequency
28,800 bph
Power Reserve
51 hours
Year
1998

Related Models

seikata-wm-33b2b415cace