Seiko Cal. 4540 - 493

Seiko 4540-493

The 4540-493 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-92b961f73668]

Also known as: Tuna, Helmet

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
36mm
Case Thickness
13.9mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
130m
Dial Color
Green
Jewels
19j
Frequency
28,800 bph
Power Reserve
58 hours
Year
1988

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seikata-wm-92b961f73668