Seiko Cal. 4428 - 440

Seiko 4428-440

The 4428-440 is a sought-after Solar piece from Seiko's golden era. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-b7d4b77de75c]

Also known as: Tuna

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
46mm
Case Thickness
14.7mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
White
Jewels
19j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1973

Related Models

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