Seiko Cal. 3887 - 689

Seiko 3887-689

This Automatic model from 1988 features a 39mm Hardlex-Coated Steel case. Powered by the 3887 caliber with 21j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-52c391ca5f50]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
15.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
30m
Dial Color
Green
Jewels
21j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1988

Related Models

seikata-wm-52c391ca5f50