Seiko Cal. 4542 - 403

This Automatic model from 1990 features a 45mm PVD Black case. Powered by the 4542 caliber with 33j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-1d3dbf9868eb]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1990

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