Seiko Cal. 7057 - 920

The 7057-920 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7057 caliber with 35j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-59c62bf26b1d]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1975

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