Seiko Cal. 4457 - 925

Released in 1983, the Cal. 4457 with design code 925 was part of Seiko's domestic market collection. Powered by the 4457 caliber with 28j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-b0a29217c972]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1983

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