Seiko Cal. 0731 - 999

Seiko 0731-999

The Seiko 0731-999 represents an important milestone in Seiko's 1976 lineup. Powered by the 0731 caliber with 23j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-6222bdb3a2be]

Also known as: Silverwave

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
44mm
Case Thickness
12.5mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Blue Sunburst
Jewels
23j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1976

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