Seiko Cal. 7111 - 128

The Seiko 7111-128 represents an important milestone in Seiko's 1981 lineup. Powered by the 7111 caliber with 29j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-c2a714a2d5a4]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1981

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