Seiko Cal. 0723 - 438

The Seiko 0723-438 represents an important milestone in Seiko's 1987 lineup. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-f7cf832209ed]

Also known as: World Timer, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1987

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