Seiko Cal. 4578 - 860

This Spring Drive model from 1998 features a 37mm PVD Black case. Powered by the 4578 caliber with 33j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-9f8e289341d3]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1998

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