Seiko Cal. 6647 - 494

Seiko 6647-494

This Spring Drive model from 1985 features a 37mm Hardlex-Coated Steel case. With its 21mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-a8f84121d449]

Also known as: Monster

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
13.3mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Navy
Jewels
20j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1985

Related Models

seikata-wm-a8f84121d449