Seiko Cal. 0731 - 351

This Solar model from 1990 features a 46mm Stainless Steel case. Powered by the 0731 caliber with 17j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-69a4a1b76002]

Also known as: Sumo, UFO

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1990

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