Seiko Cal. 7120 - 660

Released in 1977, the Cal. 7120 with design code 660 was part of Seiko's domestic market collection. It features a White dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-df3de34c18e9]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1977

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