Seiko Cal. 4578 - 955

This Spring Drive model from 1991 features a 39mm PVD Black case. Powered by the 4578 caliber with 32j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-cae57dafc5ef]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1991

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