Seiko Cal. 4478 - 545

The 4478-545 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4478 caliber with 30j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-52cc0176db64]

Also known as: Helmet, Crown

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1982

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