Seiko Cal. 0723 - 709

The 0723-709 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-d25490ba4a67]

Also known as: Sumo, Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1977

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