Seiko Cal. 3869 - 740

Seiko 3869-740

This Automatic model from 1977 features a 37mm Hardlex-Coated Steel case. Powered by the 3869 caliber with 33j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-2f0583316b38]

Also known as: UFO, Silverwave

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
15.9mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
180m
Dial Color
White
Jewels
33j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1977

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seikata-wm-2f0583316b38