Seiko Cal. 3817 - 140

Seiko 3817-140

The 3817-140 is a sought-after Quartz piece from Seiko's golden era. With its 18mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-441295f201ba]

Also known as: Tuna, Crown

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
9.9mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
100m
Dial Color
Cream
Jewels
30j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1969

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seikata-wm-441295f201ba