Seiko Cal. 0731 - 999

The Seiko 0731-999 represents an important milestone in Seiko's 1979 lineup. It features a Silver dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-54de3b66378e]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1979

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