Seiko Cal. 4540 - 418

Seiko 4540-418

The 4540-418 is a sought-after Automatic piece from Seiko's golden era. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-16e1e26d637b]

Also known as: Samurai, Monster

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
34mm
Case Thickness
11.7mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Black
Jewels
19j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1967

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