Seiko Cal. 0723 - 666

Released in 1993, the Cal. 0723 with design code 666 was part of Seiko's domestic market collection. Powered by the 0723 caliber with 21j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-65cc5c9d9f5f]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1993

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