Seiko Cal. 3877 - 423

Seiko 3877-423

The 3877-423 is a sought-after Quartz piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-1fea63a4231c]

Also known as: Helmet, Bellmatic

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
42mm
Case Thickness
12.1mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
140m
Dial Color
Champagne
Jewels
27j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1976

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