Seiko Cal. 4457 - 711

The 4457-711 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4457 caliber with 34j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-9a88767e0ebe]

Also known as: Sumo, Shogun

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1987

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