Seiko Cal. 5255 - 720

This Automatic model from 1977 features a 42mm PVD Black case. Powered by the 5255 caliber with 25j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-932da6983c9d]

Also known as: Bullhead, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1977

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