Seiko Cal. 7056 - 436

Released in 1991, the Cal. 7056 with design code 436 was part of Seiko's domestic market collection. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-fee476dfdf7b]

Also known as: Sumo, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1991

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