Seiko Cal. 6390 - 947

Seiko 6390-947

This Quartz model from 1987 features a 40mm Stainless Steel case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-19a55d832db8]

Also known as: Monster, Helmet

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
15.6mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
150m
Dial Color
White
Jewels
24j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1987

Related Models

seikata-wm-19a55d832db8