Seiko Cal. 7120 - 879

The Seiko 7120-879 represents an important milestone in Seiko's 1975 lineup. Powered by the 7120 caliber with 21j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-e5dfa3dab478]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1975

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