Seiko Cal. 0733 - 731

The 0733-731 is a sought-after Solar piece from Seiko's golden era. With its 20mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-280a1c8394ee]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1978

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