Seiko Cal. 4428 - 139

Seiko 4428-139

Released in 1978, the Cal. 4428 with design code 139 was part of Seiko's domestic market collection. It features a Silver dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-d8f5da1bae46]

Also known as: Goldfeather, Golden Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
41mm
Case Thickness
15.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
170m
Dial Color
Silver
Jewels
32j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1978

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