Seiko Cal. 4568 - 421

The 4568-421 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4568 caliber with 20j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-d7b4084af5c1]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1992

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