Seiko Cal. 6378 - 688

Seiko 6378-688

This Quartz model from 1991 features a 46mm Hardlex-Coated Steel case. With its 21mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-6b48d4204846]

Also known as: Monster, Arnie

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
14.7mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
160m
Dial Color
Black
Jewels
23j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1991

Related Models

seikata-wm-6b48d4204846