Seiko Cal. 3878 - 247

Seiko 3878-247

The 3878-247 is a sought-after Solar piece from Seiko's golden era. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-4f0c2d24e1b0]

Also known as: Bellmatic, Arnie

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
45mm
Case Thickness
13.1mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
140m
Dial Color
White
Jewels
18j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1987

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