Seiko Cal. 4457 - 416

This Spring Drive model from 1970 features a 43mm Two-Tone case. With its 18mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-e7dc932c174c]

Also known as: Sumo, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1970

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