Seiko Cal. 7057 - 702

The Seiko 7057-702 represents an important milestone in Seiko's 1976 lineup. Powered by the 7057 caliber with 34j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-bdf1317c3203]

Also known as: Sumo, Shogun

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1976

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