Seiko Cal. 4428 - 757

Seiko 4428-757

The 4428-757 is a sought-after Solar piece from Seiko's golden era. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-8cb2a20558c3]

Also known as: World Timer, Crown

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
14.8mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Black
Jewels
25j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1990

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seikata-wm-8cb2a20558c3