Seiko Cal. 4557 - 240

Released in 1985, the Cal. 4557 with design code 240 was part of Seiko's domestic market collection. With its 18mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-ddc8844edce3]

Also known as: Shogun, Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1985

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