Seiko Cal. 6390 - 450

Seiko 6390-450

This Quartz model from 1984 features a 38mm Titanium case. With its 19mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-c422460aa90c]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
38mm
Case Thickness
9.3mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
160m
Dial Color
Champagne
Jewels
26j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1984

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