Seiko Cal. 0720 - 427

This Spring Drive model from 1968 features a 45mm Gold-Plated case. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-9c7fec4634ab]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1968

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