Seiko Cal. 3878 - 523

Seiko 3878-523

The 3878-523 is a sought-after Quartz piece from Seiko's golden era. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-55ae3d6636ab]

Also known as: Tuna

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
36mm
Case Thickness
11.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Blue Sunburst
Jewels
36j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1977

Related Models

seikata-wm-55ae3d6636ab