Seiko Cal. 6643 - 856

Seiko 6643-856

This Spring Drive model from 1992 features a 42mm Two-Tone case. With its 20mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-b6c80a3eef17]

Also known as: Turtle, Arnie

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
42mm
Case Thickness
12.6mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Black
Jewels
34j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1992

Related Models

seikata-wm-b6c80a3eef17