Seiko Cal. 4578 - 496

The 4578-496 is a sought-after Solar piece from Seiko's golden era. Powered by the 4578 caliber with 18j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-dd27461806cb]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1997

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