Seiko Cal. 3878 - 687

Seiko 3878-687

The 3878-687 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-051947f178bc]

Also known as: UFO, Arnie

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
12.7mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
35j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1980

Related Models

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