Seiko Cal. 5270 - 107

This Spring Drive model from 1976 features a 43mm Two-Tone case. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-14233ba4fa3a]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1976

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