Seiko Cal. 7111 - 784

Released in 1971, the Cal. 7111 with design code 784 was part of Seiko's domestic market collection. With its 21mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-fb3ae744d491]

Also known as: Sumo, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1971

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