Seiko Cal. 4551 - 343

This Quartz model from 1991 features a 38mm PVD Black case. Powered by the 4551 caliber with 23j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-1ebb89134fd0]

Also known as: Helmet, World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1991

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