Seiko Cal. 4428 - 540

Seiko 4428-540

The 4428-540 is a sought-after Solar piece from Seiko's golden era. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-d38aa2225527]

Also known as: Crown

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
45mm
Case Thickness
13.9mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
100m
Dial Color
White
Jewels
33j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1982

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