Seiko Cal. 6647 - 392

Seiko 6647-392

The Seiko 6647-392 represents an important milestone in Seiko's 1992 lineup. It features a White dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-cf6a87125baa]

Also known as: Bullhead, Navigator

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
43mm
Case Thickness
15.7mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
50m
Dial Color
White
Jewels
24j
Frequency
28,800 bph
Power Reserve
58 hours
Year
1992

Related Models

seikata-wm-cf6a87125baa