Seiko Cal. 0728 - 408

This Solar model from 1973 features a 37mm Two-Tone case. With its 20mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-ff1026cad7cd]

Also known as: Sumo, Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1973

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