Seiko Cal. 3876 - 643

Seiko 3876-643

The Seiko 3876-643 represents an important milestone in Seiko's 1974 lineup. Powered by the 3876 caliber with 24j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-21f6a3577823]

Also known as: Arnie

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
11.5mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
130m
Dial Color
Champagne
Jewels
24j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1974

Related Models

seikata-wm-21f6a3577823