Seiko Cal. 6390 - 721

Seiko 6390-721

This Hand-Winding model from 1987 features a 42mm Two-Tone case. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-40818e74f52a]

Also known as: Flighty

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
42mm
Case Thickness
9.7mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Silver
Jewels
31j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1987

Related Models

seikata-wm-40818e74f52a