Seiko Cal. 4420 - 838

Seiko 4420-838

The Seiko 4420-838 represents an important milestone in Seiko's 1985 lineup. Powered by the 4420 caliber with 19j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-7dfcc79896db]

Also known as: Rally, Baby Tuna

Specifications

Movement
Solar
Case Material
Titanium
Case Width
39mm
Case Thickness
15.8mm
Lug Width
22mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
140m
Dial Color
White
Jewels
19j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1985

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