Seiko Cal. 0724 - 378

This Spring Drive model from 1970 features a 41mm PVD Black case. It features a Burgundy dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-540c56ea8c49]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1970

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