Seiko Cal. 4554 - 720

This Automatic model from 1997 features a 34mm PVD Black case. Powered by the 4554 caliber with 33j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-9450bd838afe]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1997

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