Seiko Cal. 4540 - 390

Seiko 4540-390

The 4540-390 is a sought-after Quartz piece from Seiko's golden era. With its 22mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-e743a0a2e4ab]

Also known as: Rally, Navigator

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
36mm
Case Thickness
8.7mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Burgundy
Jewels
25j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1981

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