Seiko Cal. 3887 - 702

Seiko 3887-702

This Automatic model from 1976 features a 44mm PVD Black case. Powered by the 3887 caliber with 28j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-7630328b325b]

Also known as: Sumo, Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
44mm
Case Thickness
10.5mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
30m
Dial Color
White
Jewels
28j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1976

Related Models

seikata-wm-7630328b325b