Seiko Cal. 4540 - 909

The 4540-909 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4540 caliber with 28j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-bcdfbc3e9621]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1992

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