Seiko Cal. 7057 - 106

The Seiko 7057-106 represents an important milestone in Seiko's 1975 lineup. Powered by the 7057 caliber with 36j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-75674ac52d9a]

Also known as: Silverwave, World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1975

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