Seiko Cal. 3827 - 557

Seiko 3827-557

This Spring Drive model from 1977 features a 41mm Two-Tone case. With its 21mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-3ca1076d2bb6]

Also known as: Golden Tuna, Flighty

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
41mm
Case Thickness
9.3mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
140m
Dial Color
Black
Jewels
23j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1977

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seikata-wm-3ca1076d2bb6