Seiko Cal. 4437 - 520

Seiko 4437-520

The 4437-520 is a sought-after Solar piece from Seiko's golden era. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-b48d1544648c]

Specifications

Movement
Solar
Case Material
Titanium
Case Width
38mm
Case Thickness
12.6mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
130m
Dial Color
Burgundy
Jewels
30j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1978

Related Models

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