Seiko Cal. 4457 - 108

The Seiko 4457-108 represents an important milestone in Seiko's 1996 lineup. Powered by the 4457 caliber with 28j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-cf007e8aec83]

Also known as: Sumo, Shogun

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1996

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