Seiko Cal. 3871 - 486

Seiko 3871-486

The 3871-486 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-b56bbd8d2f08]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
9.7mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
90m
Dial Color
White
Jewels
22j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1974

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