Seiko Cal. 3871 - 476

Seiko 3871-476

The Seiko 3871-476 represents an important milestone in Seiko's 1973 lineup. Powered by the 3871 caliber with 26j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-d83b3ddd3eff]

Also known as: Helmet, Silverwave

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
43mm
Case Thickness
15.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Champagne
Jewels
26j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1973

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