Seiko Cal. 4420 - 390

Seiko 4420-390

This Automatic model from 1988 features a 46mm Titanium case. Powered by the 4420 caliber with 24j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-572a77e1c8db]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
46mm
Case Thickness
12.0mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Navy
Jewels
24j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1988

Related Models

seikata-wm-572a77e1c8db