Seiko Cal. 4540 - 422

The 4540-422 is a sought-after Kinetic piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-f83f46458429]

Also known as: Sumo, Panda

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

35mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1966

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