Seiko Cal. 7155 - 542

Released in 1972, the Cal. 7155 with design code 542 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-c0937fd8ce03]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1972

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