Seiko Cal. 4540 - 218

Seiko 4540-218

This Automatic model from 1971 features a 39mm Hardlex-Coated Steel case. Powered by the 4540 caliber with 17j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-252d1f84ba62]

Also known as: Pogue

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
14.6mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
60m
Dial Color
White
Jewels
17j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1971

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