Seiko Cal. 0771 - 730

Seiko 0771-730

The Seiko 0771-730 represents an important milestone in Seiko's 1977 lineup. With its 21mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-a8565e5eec6b]

Also known as: Sumo, Sea Horse

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
15.0mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Silver
Jewels
20j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1977

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