Seiko Cal. 4546 - 618

The 4546-618 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-83b103f603d6]

Also known as: Tuna, Pogue

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1985

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