Seiko Cal. 4437 - 527

Seiko 4437-527

The 4437-527 is a sought-after Solar piece from Seiko's golden era. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-018a3a4305c3]

Also known as: Pogue, Helmet

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
9.0mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Champagne
Jewels
25j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1970

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seikata-wm-018a3a4305c3