Seiko Cal. 7120 - 755

This Spring Drive model from 1983 features a 43mm Two-Tone case. Powered by the 7120 caliber with 28j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-b1579a11c416]

Also known as: Monster, Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1983

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