Seiko Cal. 0740 - 891

Released in 1988, the Cal. 0740 with design code 891 was part of Seiko's domestic market collection. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-0d42d1aa6afc]

Also known as: Sumo, UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1988

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