Seiko Cal. 0742 - 525

This Spring Drive model from 1972 features a 40mm Two-Tone case. With its 18mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-c77ede9f26ce]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1972

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