Seiko Cal. 0742 - 104

The 0742-104 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-1886d03ca0a9]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1977

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