Seiko Cal. 6647 - 271

Seiko 6647-271

This Spring Drive model from 1996 features a 46mm Titanium case. With its 20mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-ce8a3d172014]

Also known as: Monster

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
46mm
Case Thickness
12.2mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Silver
Jewels
31j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1996

Related Models

seikata-wm-ce8a3d172014