Seiko Cal. 0723 - 400

The Seiko 0723-400 represents an important milestone in Seiko's 1992 lineup. With its 21mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-0fe823aa2554]

Also known as: Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1992

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