Seiko Cal. 6150 - 557

This Solar model from 1973 features a 39mm Gold-Plated case. With its 21mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-81a3f46e971e]

Also known as: Sumo, Helmet

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1973

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