Seiko Cal. 0742 - 728

The Seiko 0742-728 represents an important milestone in Seiko's 1986 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-5da93a954cea]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1986

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