Seiko Cal. 6643 - 732

Seiko 6643-732

This Quartz model from 1978 features a 35mm Hardlex-Coated Steel case. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-f35770940834]

Also known as: Turtle, Samurai

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
9.4mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Champagne
Jewels
35j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1978

Related Models

seikata-wm-f35770940834