Seiko Cal. 0731 - 989

Seiko 0731-989

The Seiko 0731-989 represents an important milestone in Seiko's 1971 lineup. Powered by the 0731 caliber with 30j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-262edd9707da]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
13.1mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
White
Jewels
30j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1971

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seikata-wm-262edd9707da