Seiko Cal. 4578 - 156

The 4578-156 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4578 caliber with 27j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-4a55dd734e42]

Also known as: Sportsmatic, Crown

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1982

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