Seiko Cal. 3871 - 746

Seiko 3871-746

The 3871-746 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3871 caliber with 24j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-fdd9e405b9ff]

Also known as: UFO

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
39mm
Case Thickness
15.8mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
200m
Dial Color
White
Jewels
24j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1976

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