Seiko Cal. 4540 - 419

Seiko 4540-419

This Solar model from 1969 features a 35mm Hardlex-Coated Steel case. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-4e3688a0b5c8]

Also known as: Helmet, Navigator

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
9.5mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Champagne
Jewels
24j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1969

Related Models

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