Seiko Cal. 5240 - 105

This Quartz model from 1971 features a 42mm PVD Black case. Powered by the 5240 caliber with 25j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-4f7bcb986ab2]

Also known as: Bullhead, Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1971

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