Seiko Cal. 0723 - 438

The Seiko 0723-438 represents an important milestone in Seiko's 1990 lineup. It features a Silver dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-3faf36a48f57]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1990

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