Seiko Cal. 0740 - 777

Seiko 0740-777

The Seiko 0740-777 represents an important milestone in Seiko's 1979 lineup. With its 20mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-5e6fd2a4f39a]

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
10.8mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Green
Jewels
30j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1979

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