Seiko Cal. 7120 - 911

This Automatic model from 1977 features a 37mm PVD Black case. Powered by the 7120 caliber with 31j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-f6e62bbebf35]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1977

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