Seiko Cal. 7155 - 990

The Seiko 7155-990 represents an important milestone in Seiko's 1975 lineup. It features a Navy dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-e6ce9ba99abc]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1975

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