Seiko Cal. 4496 - 163

The 4496-163 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4496 caliber with 30j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-85584cbaf5b1]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1968

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