Seiko Cal. 0723 - 640

Released in 1993, the Cal. 0723 with design code 640 was part of Seiko's domestic market collection. It features a White dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-a4ba9041af85]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1993

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